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Cambrian (2)
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Carboniferous
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Mississippian
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Middle Mississippian (1)
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-
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Devonian
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Lower Devonian
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Shap Granite (1)
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Upper Devonian (2)
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Minnelusa Formation (1)
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Ordovician (2)
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Permian
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Phosphoria Formation (1)
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Silurian (1)
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Phanerozoic (6)
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Precambrian
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Delhi Supergroup (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic (2)
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Neoproterozoic
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Dengying Formation (1)
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Paleoproterozoic (6)
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Pretoria Group (1)
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Sinian
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Dengying Formation (1)
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Doushantuo Formation (1)
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Ventersdorp Supergroup (1)
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igneous rocks
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extrusive rocks (1)
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gabbros (1)
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granites
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graphic granite (1)
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S-type granites (3)
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granodiorites (1)
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monzonites (1)
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spinel lherzolite (1)
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pyroxenite
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clinopyroxenite (1)
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-
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porphyry (1)
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volcanic rocks
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basalts
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flood basalts (2)
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glasses
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obsidian (1)
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komatiite (1)
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phonolites (1)
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pyroclastics
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ignimbrite (4)
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tuff (1)
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rhyolites (3)
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trachyandesites
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absarokite (1)
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-
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ophiolite (2)
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volcanic ash (1)
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metamorphic rocks
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amphibolites (3)
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metasedimentary rocks
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metasomatic rocks
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greisen (2)
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skarn (8)
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metavolcanic rocks (1)
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schists
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chlorite schist (2)
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ophiolite (2)
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meteorites
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meteorites
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iron meteorites
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octahedrite
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Canyon Diablo Meteorite (1)
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minerals
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antimonates (1)
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arsenides
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lollingite (1)
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borates
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borax (1)
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carbonates
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malachite (1)
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copper minerals (1)
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halides
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fluorides
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-
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hydrates (1)
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minerals (32)
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native elements
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onyx (1)
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organic minerals
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amber (1)
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oxides
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corundum (40)
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diaspore (4)
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pyrochlore (1)
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periclase (1)
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rutile (6)
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sapphire (46)
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spinel (17)
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spinel group (2)
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tantalite (2)
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titanium oxides (1)
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phosphates
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apatite (6)
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crandallite (1)
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silicates
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chain silicates
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amphibole group
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clinoamphibole
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crocidolite (1)
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hornblende (1)
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nephrite (6)
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pargasite (7)
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richterite (1)
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tremolite (1)
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-
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bavenite (1)
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jade (14)
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prehnite (1)
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pyroxene group
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clinopyroxene
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chrome diopside (2)
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diopside (5)
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fassaite (1)
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jadeite (12)
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omphacite (2)
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spodumene
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kunzite (1)
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-
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orthopyroxene
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enstatite (1)
-
-
-
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framework silicates
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danburite (1)
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feldspar group
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alkali feldspar
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adularia (2)
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amazonite (2)
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K-feldspar (3)
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microcline (3)
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moonstone (2)
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orthoclase (2)
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perthite (3)
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sanidine (2)
-
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plagioclase
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albite (4)
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anorthite (2)
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labradorite (2)
-
-
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nepheline group
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nepheline (4)
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scapolite group
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scapolite (3)
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silica minerals
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agate (9)
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amethyst (13)
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carnelian (2)
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chalcedony (7)
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chrysoprase (1)
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coesite (1)
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cristobalite (1)
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jasper (1)
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moganite (2)
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opal
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opal-A (2)
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opal-CT (1)
-
-
quartz
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alpha quartz (1)
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smoky quartz (1)
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tridymite (1)
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-
sodalite group
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hauyne (1)
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lazurite (2)
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sodalite (1)
-
-
zeolite group
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laumontite (1)
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pollucite (2)
-
-
-
orthosilicates
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nesosilicates
-
euclase (2)
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garnet group
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almandine (3)
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andradite (4)
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grossular (7)
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hydrogarnet
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hydrogrossular (1)
-
-
pyrope (7)
-
spessartine (2)
-
uvarovite (1)
-
-
humite (2)
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kyanite (2)
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norbergite (1)
-
olivine group
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forsterite (2)
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olivine (5)
-
peridot (2)
-
-
phenakite group
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phenakite (2)
-
-
sillimanite (2)
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staurolite (1)
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titanite group
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titanite (1)
-
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topaz (16)
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zircon group
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zircon (21)
-
-
-
sorosilicates
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axinite group (2)
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bertrandite (2)
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epidote group
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allanite (1)
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epidote (1)
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tanzanite (6)
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zoisite (7)
-
-
vesuvianite (2)
-
-
-
ring silicates
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aquamarine (10)
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beryl (33)
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cordierite (1)
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emerald (56)
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tourmaline group
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dravite (5)
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elbaite (11)
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schorl (3)
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uvite (2)
-
-
-
sheet silicates
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chlorite group
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chlorite (2)
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clinochlore (1)
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cookeite (2)
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clay minerals
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beidellite (1)
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kaolinite (1)
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smectite (2)
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vermiculite (1)
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ekanite (1)
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illite (1)
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margarite (2)
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mica group
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biotite (3)
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lepidolite (3)
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muscovite (6)
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phlogopite (12)
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-
serpentine group
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serpentine (1)
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talc (1)
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-
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sulfates
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barite (1)
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jarosite (1)
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lazurite (2)
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voltaite (1)
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sulfides
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arsenopyrite (1)
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mackinawite (1)
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molybdenite (1)
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pentlandite (1)
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pyrite (3)
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pyrrhotite (2)
-
-
-
Primary terms
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absolute age (29)
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Africa
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East Africa
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Southern Africa
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South Africa
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Transvaal region (3)
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Antarctica
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Asia
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Indus-Yarlung Zangbo suture zone (1)
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Middle East
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associations (1)
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Australasia
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carbon
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Caribbean region
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Cenozoic
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Tertiary
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chemical analysis (5)
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construction materials
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gems
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Journal Article
DIAMOND RESORPTION BY OXIDIZED INTERGRANULAR C–O–H FLUID Open Access
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 June 2025
Russ. Geol. Geophys. (2025) 66 (6): 722–731.
Journal Article
Cu nanoparticle geometry as the key to bicolor behavior in Oregon sunstones: An application of LSPR theory in nanomineralogy Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 February 2025
American Mineralogist (2025) 110 (2): 293–305.
Journal Article
Analysing the Luminescence of Gems Available to Purchase
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 October 2024
Elements (2024) 20 (5): 312–317.
Journal Article
A neutron diffraction study of the hydrous borate inderborite, CaMg[B 3 O 3 (OH) 5 ] 2 (H 2 O) 4 ·2H 2 O Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2024
American Mineralogist (2024) 109 (7): 1258–1265.
Includes: Supplemental Content
Journal Article
Corundum in Sulfide Ore at the Thompson Mine, Manitoba, Canada: An Unusual Occurrence of Cr- and Ni-Bearing Corundum Available to Purchase
Publisher: Mineralogical Association of Canada
Published: 18 June 2024
The Canadian Journal of Mineralogy and Petrology (2024) 62 (3): 479–488.
Journal Article
A multivariate statistical approach for mineral geographic provenance determination using laser-induced breakdown spectroscopy and electron microprobe chemical data: A case study of copper-bearing tourmalines Open Access
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 2024
American Mineralogist (2024) 109 (6): 1085–1095.
Includes: Supplemental Content
Journal Article
Thermoelastic properties of non-metamict zircon Open Access
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2024
American Mineralogist (2024) 109 (4): 738–746.
Includes: Supplemental Content
Journal Article
Similarities and differences among selected gemmological varieties of chalcedony: chemistry, mineralogy and microstructure Open Access
Sara Monico, Marco Cantaluppi, Valeria Diella, G. Diego Gatta, Ilaria Adamo, Patrizia Fumagalli, Nicoletta Marinoni
Journal: Mineralogical Magazine
Published: 01 April 2024
Mineralogical Magazine (2024) 88 (2): 136–146.
Journal Article
Advances for the Exploration of Tectonic-Magmatic-Related Emerald Deposits Using a High-Resolution Spectral Approach: Unraveling the Spectral Footprint of the Paraná Deposit (NE Brazil) Available to Purchase
José Ferreira de Araújo Neto, Thais Andressa Carrino, Lauro Cézar Montefalco de Lira Santos, Rosa Elvira Correa Pabón
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 March 2024
Economic Geology (2024) 119 (2): 355–371.
Includes: Supplemental Content
Journal Article
An UV/Vis/NIR optical absorption spectroscopic and color investigation of transition-metal-doped gahnite (ZnAl 2 O 4 spinel) crystals grown by the flux method Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 02 January 2024
American Mineralogist (2024) 109 (1): 157–166.
Includes: Supplemental Content
Journal Article
The 450 nm (2.8 eV) cathodoluminescence emission in quartz and its relation to structural defects and Ti contents Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 02 January 2024
American Mineralogist (2024) 109 (1): 122–134.
Journal Article
Origin of gem-quality turquoise associated with quartz-barite veins in western Hubei Province, China: Constraints from mineralogical, fluid inclusion, and C-O-H isotopic data Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 02 January 2024
American Mineralogist (2024) 109 (1): 103–121.
Journal Article
Low-Crystallinity Index Chalcedony from Longhua, China: Characteristics and Formation Open Access
Journal: Lithosphere
Publisher: GSW
Published: 10 August 2023
Lithosphere (2023) 2023 (1): 2061776.
Journal Article
The position of vanadium in the crystal structure of zoisite, variety tanzanite: Structural refinement, optical absorption spectroscopy and bond-valence calculations Available to Purchase
Journal: Mineralogical Magazine
Published: 29 June 2023
Mineralogical Magazine (2023) 87 (4): 599–610.
Journal Article
First report of a nephrite deposit from Somaliland, Africa: Characterization and geological and archaeological implications Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 25 May 2023
GSA Bulletin (2024) 136 (1-2): 661–672.
Journal Article
Caught in the act: Diamond growth and destruction in the continental lithosphere Available to Purchase
Geoffrey H. Howarth, Beth Kahle, Philip E. Janney, Richard Kahle, Anton Du Plessis, Stephen H. Richardson, John J. Gurney
Journal: Geology
Publisher: Geological Society of America
Published: 29 March 2023
Geology (2023) 51 (6): 532–536.
Journal Article
A Method for Detrital Corundum Characterization in Sediments: Case Study of the Gem Mountain Mine Placer Sapphire Deposit (Rock Creek, Montana, USA) Available to Purchase
Publisher: Mineralogical Association of Canada
Published: 10 March 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (1): 61–85.
Journal Article
Blue growth zones caused by Fe 2+ in tourmaline crystals from the San Piero in Campo gem-bearing pegmatites, Elba Island, Italy Open Access
Journal: Mineralogical Magazine
Published: 22 August 2022
Mineralogical Magazine (2022) 86 (6): 910–919.
Journal Article
Diamond Spectroscopy, Defect Centers, Color, and Treatments Open Access
Publisher: Mineralogical Society of America
Published: 01 July 2022
Reviews in Mineralogy and Geochemistry (2022) 88 (1): 637–688.
Journal Article
Synthesis of Diamonds and Their Identification Open Access
Publisher: Mineralogical Society of America
Published: 01 July 2022
Reviews in Mineralogy and Geochemistry (2022) 88 (1): 689–753.
1
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gems
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