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1-20 OF 85 RESULTS FOR
Momeik Myanmar
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Journal Article
Perettiite-(Y), Y 3+ 2 Mn 2+ 4 Fe 2 +[Si 2 B 8 O 24 ], a new mineral from Momeik, Myanmar
Rosa Micaela Danisi, Thomas Armbruster, Eugen Libowitzky, Hao A.O. Wang, Detlef Günther, Mariko Nagashima, Eric Reusser, Willy Bieri
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 December 2015
European Journal of Mineralogy (2015) 27 (6): 793–803.
...Rosa Micaela Danisi; Thomas Armbruster; Eugen Libowitzky; Hao A.O. Wang; Detlef Günther; Mariko Nagashima; Eric Reusser; Willy Bieri Abstract The new mineral perettiite-(Y), end-member formula Y 3+ 2 Mn 2+ 4 Fe 2+ [Si 2 B 8 O 24 ], from pegmatites in the region of Momeik, north of Mogok, Myanmar...
Includes: Supplemental Content
Journal Article
TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
Andreas Ertl, John M. Hughes, Stefan Prowatke, Thomas Ludwig, Franz Brandstätter, Wilfried Körner, M. Darby Dyar
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 August 2007
The Canadian Mineralogist (2007) 45 (4): 891–899.
... Nous décrivons la tourmaline “champignon”, en fait un agrégat botryoidal et bourgeonnant de cristaux rose pâle, provenant de la mine Palelni, village de Khetchel, quartier de Molo, canton de Momeik, au nord-est de Mogok, région de Mandalay, dans l’état de Shan, au Myanmar. Nous nous sommes servis...
Journal Article
Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: II. Zoning and crystal growth
Journal: Mineralogical Magazine
Published: 01 October 2008
Mineralogical Magazine (2008) 72 (5): 999–1010.
...A. J. Lussier; F. C. Hawthorne; S. Herwig; Y. Abdu; P. M. Aguiar; V. K. Michaelis; S. Kroeker Abstract A variety of mushroom tourmaline from the Kat Chay mine, Momeik, near Mogok, Shan state, Myanmar, consists of a black-to-grey single-crystal core from which a single prismatic crystal reaches...
Journal Article
Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: I. Crystal chemistry by SREF, EMPA, MAS NMR and Mössbauer spectroscopy
Journal: Mineralogical Magazine
Published: 01 June 2008
Mineralogical Magazine (2008) 72 (3): 747–761.
...A. J. Lussier; P. M. Aguiar; V. K. Michaelis; S. Kroeker; S. Herwig; Y. Abdu; F. C. Hawthorne Abstract Tourmaline from the Kat Chay mine, Momeik, near Mogok, Shan state, Myanmar, shows a variety of habits that resemble mushrooms, and it is commonly referred to as ‘mushroom tourmaline...
Image
Photomicrograph of pale pink “mushroom” tourmaline from Momeik, Myanmar. Cr...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
F ig . 1. Photomicrograph of pale pink “mushroom” tourmaline from Momeik, Myanmar. Crystal aggregate: ~9 × 20 mm. The larger “mushroom” sample (BUP) on the right was used for detailed characterization in this study.
Image
TABLE OF ATOM PARAMETERS IN Li-BEARING OLENITE FROM MOMEIK, MYANMAR
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
TABLE 2. TABLE OF ATOM PARAMETERS IN Li-BEARING OLENITE FROM MOMEIK, MYANMAR
Image
COMPOSITION OF Li-BEARING OLENITE FROM MOMEIK, MYANMAR
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
TABLE 4. COMPOSITION OF Li-BEARING OLENITE FROM MOMEIK, MYANMAR
Image
SELECTED INTERATOMIC DISTANCES (Å) IN Li-BEARING OLENITE FROM MOMEIK, MYAN...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
TABLE 3. SELECTED INTERATOMIC DISTANCES (Å) IN Li-BEARING OLENITE FROM MOMEIK, MYANMAR
Image
CRYSTAL DATA AND RESULTS OF STRUCTURE REFINEMENT OF Li-BEARING OLENITE (SAM...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
TABLE 1. CRYSTAL DATA AND RESULTS OF STRUCTURE REFINEMENT OF Li-BEARING OLENITE (SAMPLE BUP) FROM MOMEIK, MYANMAR
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CHEMICAL COMPOSITION OF THE PALE PINK “MUSHROOM” TOURMALINE FROM MOMEIK, MY...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
TABLE 5. CHEMICAL COMPOSITION OF THE PALE PINK “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR, AS DETERMINED BY ICP–MS ANALYSIS
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Photomicrograph under the polarizing light microscope. Subparallel crystals...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
F ig . 2. Photomicrograph under the polarizing light microscope. Subparallel crystals of tourmaline from Momeik, Myanmar. Polished thin section parallel to the c axis of the tourmaline crystals.
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Chondrite-normalized REE patterns of the pale pink “mushroom” tourmaline fr...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
F ig . 5. Chondrite-normalized REE patterns of the pale pink “mushroom” tourmaline from Momeik, Myanmar, and of an elbaite from Nuristan, Kunar Province, Afghanistan ( Ertl et al. 2006 ).
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Relationship between the Al content at the Y site and [4] B in tourmalin...
in TETRAHEDRALLY COORDINATED BORON IN Li-BEARING OLENITE FROM “MUSHROOM” TOURMALINE FROM MOMEIK, MYANMAR
> The Canadian Mineralogist
Published: 01 August 2007
in this work), and the olenite from Momeik, Myanmar (in all samples, FeO + MnO ≤ 0.5 wt%).
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Relationship between PT conditions and the amount of tetrahedrally coordina...
in Tetrahedrally coordinated boron in Al-rich tourmaline and its relationship to the pressure–temperature conditions of formation
> European Journal of Mineralogy
Published: 01 October 2008
, 2001 ) and natural tourmalines from Manjaka, Madagascar (larger unfilled square, this study), Momeik, Myanmar (smaller unfilled square, Ertl et al. , 2007 ; this study), and B-rich olenite from Koralpe, Austria (unfilled circle; ~ 0.83 apfu [4] B; Ertl et al. , 1997 ; Hughes et al. , 2000
Journal Article
The crystal chemistry of ‘wheatsheaf’ tourmaline from Mogok, Myanmar
Journal: Mineralogical Magazine
Published: 01 February 2011
Mineralogical Magazine (2011) 75 (1): 65–86.
...A. J. Lussier; F. C. Hawthorne; Y. Abdu; S. Herwig; V. K. Michaelis; P. M. Aguiar; S. Kroeker Abstract Tourmalines of unusual (mushroom) habit are common in granitic pegmatites of Momeik, northeast of Mogok, Myanmar. Here, we examine a sample of elbaite of significantly different habit, consisting...
Journal Article
Diamonds from Myanmar and Thailand: Characteristics and Possible Origins
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 January 2001
Economic Geology (2001) 96 (1): 0159–0170.
... been found in the surrounding terrane, which is characterized by Phanerozoic tectonic and magmatic activity. Detailed studies of diamonds from Theindaw and Momeik in Myanmar and Phuket in Thailand have been undertaken to clarify their origin. Syngenetic mineral inclusions in the diamonds are largely...
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Petalite, LiAlSi 4 O 10 , as a gem quality crystal fragment from Palelni Mi...
Published: 01 August 2020
Figure 2. Petalite, LiAlSi 4 O 10 , as a gem quality crystal fragment from Palelni Mine, Momeik Township (Myanmar), and a cut gemstone 7.69 mm x 6.02 mm from the same locality. The “champagne” color of the gemstone is unique to the locality. The matchstick is 2 mm thick. E dward G rew
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F ig . 5. Nitrogen contents and aggregation states (‰IaB) for diamonds from...
Published: 01 January 2001
F ig . 5. Nitrogen contents and aggregation states (‰IaB)
for diamonds from Myanmar and Thailand, showing the anomalously high
aggregation states of many diamonds with plastic deformation (PD). MmK =
Momeik, Thai = Phuket, Thd = Theindaw. Isotherms are calculated for a
mantle storage time of 2 Ga
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This “mushroom” tourmaline (about 2.8 cm) from the Momeik area, Upper Myanm...
in Why Are Some Crystals Gem QUALITY? CRYSTAL Growth Considerations On the “gem Factor”
> The Canadian Mineralogist
Published: 01 July 2017
Fig. 5. This “mushroom” tourmaline (about 2.8 cm) from the Momeik area, Upper Myanmar, results from a brutal change of growth mode, from slow spiral growth to fast fibrous growth. The fibrous part of some such tourmalines can be carved into very attractive gem pieces, such as this 44 ct stylized
Journal Article
Synthesis and crystal structure of Pb-dominant tourmaline
Oleg S. Vereshchagin, Bernd Wunder, Sergey N. Britvin, Olga V. Frank-Kamenetskaya, Franziska D.H. Wilke, Natalia S. Vlasenko, Vladimir V. Shilovskikh
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 2020
American Mineralogist (2020) 105 (10): 1589–1592.
.... , Prowatke , S. , Ludwig , T. , Brandstätter , F. , Körner , W. , and Dyar , M.D. ( 2007 ) Tetrahedrally-coordinated boron in Li-bearing olenite from “mushroom” tourmaline from Momeik, Myanmar. Canadian Mineralo-gist , 45 , 891 – 899 . Ertl , A. , Marschall , H.R...
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