Calcite - Châteaupanne, Montjean-sur-Loire, Maine-et-Loire,...
Rhombohedron of calcite (probably obtained by cleavage) very...
Calcite - Liré, Maine-et-Loire, France
Group of small orange calcite scalenohedrons from the classic...
Quartz, Sigoyer, Hautes-Alpes, France.
Floating quartz group from Sigoyer (Hautes-Alpes), exceptional...
Hematite - Mazaye, Puy-de-Dôme, France
Floating blade of hematite of fumarole origin of very...
Hematite - Mazaye, Puy-de-Dôme, France
Floating blade of hematite of fumarole origin of very...
Pyromorphite - Mine des Farges, Ussel, Corrèze, France.
Floating specimen of a khaki green to almost yellow color at...
Pyromorphite on barite, Ussel, Corrèze, France.
Millimetric crystals of pyromorphite of a very beautiful color...
Pyromorphite on barite - Mine des Farges, Ussel, Corrèze, France.
Barite almost completely covered with pyromorphite...
Fluorite - La Barre mine, Puy-de-Dôme, France.
Rare fluorite in curved octahedrons with a deep purple color.5...
Fluorite - La Barre mine, Puy-de-Dôme, France.
Rare fluorite in curved octahedrons with a deep purple color...
Fluorite - La Barre mine, Puy-de-Dôme, France.
Rare fluorite in curved octahedrons with a deep purple color...
Fluorite, La Barre mine, Puy-de-Dôme, France
Yellow fluorite cubes with a thin blue border associated with...
Sceptre quartz, Vizille, Isère, France.
Very well formed sceptre quartz with a very nice purity...
Sceptre quartz, Vizille, Isère, France.
Sceptre quartz very well formed and very lustrous, not so...
Rutile and hematite - Novo Horizonte, Bahia, Brazil
Hematite and rutile in epitaxy. A great classic Brazilian...
Evansite - Wenshan mine, Yunnan, China
Rare amorphous aluminum phosphate, here of an intense blue,...
Evansite - Wenshan mine, Yunnan, China
Evansite (rare aluminum phosphate) of different blues,...
Evansite - Wenshan mine, Yunnan, China
Rare amorphous aluminum phosphate, here of an intense blue....
Evansite - Wenshan mine, Yunnan, China
Rare amorphous aluminum phosphate, evansite is here expressed...
Aurichalcite, calcite - Ojuela mine, Mapimi, Durango, Mexico
Turquoise-blue aurichalcite presents under colorless and...
Aurichalcite and hemimorphite - Ojuela mine, Mapimi, Durango,...
Aurichalcite in bunches of very fine turquoise blue needles...
Aurichalcite - Ojuela mine, Mapimi, Durango, Mexico
Acicular turquoise-blue aurichalcite and colorless calcite,...
Pyrite - Navajun, La Rioja, Spain
Polysynthetic crystal of pyrite with a mirror-like shine. Two...
Pyrite - Navajun, La Rioja, Spain
Very bright pyrite crystals (mirror effect), in almost perfect...
Grape agate - Mamuju, Sulawesi, Indonesia
Amethyst botryoidal, commonly called "cluster chalcedony",...
Apatite - Julcani mine, Angaraes province, Huancavelica, Peru
Biterminated apatite crystal (1.3 cm long) colorless to very...
Babingtonite on prehnite - Meigu county, Liangshan, Sichuan...
Small but very bright crystals of babingtonite on light green...
Fluorite, pyrite, bournonite - Naica mine, Naica, Saucillo...
Piece associating colorless and translucent fluorite in...