Similarities and differences among selected gemmological varieties of chalcedony: chemistry, mineralogy and microstructure

Karenwebberite, Na(Fe 2+ ,Mn 2+ )PO 4 , a new member of the triphylite group from the Malpensata pegmatite, Lecco Province, Italy

Chukhrovite-(Ca), Ca 4.5 Al 2 (SO 4 )F 13 ·12H 2 O, a new mineral species from the Val Cavallizza Pb–Zn–(Ag) mine, Cuasso al Monte, Varese province, Italy

COMPLEX MECHANISMS OF ALTERATION IN A GRAFTONITE + SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY

Green andradite stones: gemmological and mineralogical characterisation

THE PROFILE OF TRACE ELEMENTS, INCLUDING THE REE, IN GEM-QUALITY GREEN ANDRADITE FROM CLASSIC LOCALITIES

On the crystal chemistry of londonite [(Cs,K,Rb)Al 4 Be 5 B 11 O 28 ]: A single-crystal neutron diffraction study at 300 and 20 K

Ferritchromite and chromian-chlorite formation in mélange-hosted Kalkan chromitite (Southern Urals, Russia)

VIGEZZITE AND ASSOCIATED OXIDES OF Nb–Ta FROM EMERALD-BEARING PEGMATITES OF THE VIGEZZO VALLEY, WESTERN ALPS, ITALY

PHOSPHATE ASSEMBLAGES FROM THE BRISSAGO GRANITIC PEGMATITE, WESTERN SOUTHERN ALPS, SWITZERLAND

THE CRYSTAL STRUCTURE OF MCKELVEYITE-(Y)-2 M , A NEW MONOCLINIC POLYTYPE FROM VAL MALENCO, ITALIAN ALPS

P - V equation of State, thermal expansion, and P - T stability of synthetic zincochromite (ZnCr 2 O 4 spinel)

High-pressure synchrotron X-ray diffraction study of spessartine and uvarovite: A comparison between different equation of state models

Equation of state and compressibility of phlogopite by in-situ high-pressure X-ray powder diffraction

Schiavinatoite, (Nb, Ta) BO 4 , the Nb analogue of behierite

CESIAN BAZZITE AND THORTVEITITE FROM CUASSO AL MONTE, VARESE, ITALY: A COMPARISON WITH THE MATERIAL FROM BAVENO, AND INFERRED ORIGIN

The formation of scandium minerals as an example of the role of complexes in the geochemistry of rare earths and HFS elements

The role of fluoride complexes in REE geochemistry and the importance of 4f electrons; some examples in minerals

A crystal-chemical investigation of Alpine gadolinite

Alpine monazite; further data