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Blue aragonite - Dongshuang mine, Yunan province, China
Aerial specimen of stalactite cupriferous aragonite with an...
Blue aragonite - Dongshuang mine, Yunan province, China
A very attractive specimen of cupriferous aragonite with an...
Amethyst - Les Rioux de la Barre, Puy-de-Dôme, France
Small floating group of bright violet amethyst with deeper...
Prehnite - Saint-Christophe-en-Oisans, Isère, France
A specimen of light green prehnite and byssolite from a find...
Wavellite - Mauldin, Arkansas, United States
Small piece composed of several wavellite spheres, one of...
Calcite - Gave de Pau, Pyrénées-Atlantiques, France
A bright colourless calcite geode, superbly balanced with a...
Rutile inclusions in quartz - Novo Horizonte, Bahia, Brazil
Colorless to very slightly smoky quartz point with inclusions...
Polyhedral agate - Sitio Garguelo, Paraiba, Brazil
Polished slice of polyhedral agate, to be appreciated as such...
Tourmaline elbaite var.indicolite - Santa Rosa Mine,...
Fiber-terminated tourmaline crystal with a superb blue...
Analcime, quartz - Port d'Agrès, Aveyron, France
Bright, colorless, well-formed analcime crystals from a small...
Calcite - Gave de Pau, Pyrénées-Atlantiques, France
A set of bright, translucent “diamond” calcite crystals.7 x 8...
Gypsum - Bagnols-sur-Cèze, Gard, France
A beautiful, large, floating, translucent, automorphic gypsum...
Vanadinite, phosphohedyphane - Taouz, Morocco
Rare yellow vanadinite (color given by pseudomorphosis into...
Pyrite - Navajun, La Rioja, Spain
Small, pseudo-cubic pyrite crystal with superb brilliance. A...
Fluorite - Berbes, Asturias, Spain
Dark violet fluorite with shiny surfaces dotted with a few...
Native copper - Bou Nahas Mine, Oumjrane, Morocco
Native copper with an atypical skeletal structure, due to...
Azurite - Sotoloras, near Nador, Morocco
Small, fairly bright azurite crystals, contrasting with a...
Aquamarine - Shigar valley, Skardu, Gilgit-Baltistan, Pakistan
Well-translucent, perfectly finished aquamarine single...
Amethyst - Piedra Parada, Veracruz, Mexico
Attractive sample of amethyst quartz in perfect condition,...
Amethyst - Piedra Parada, Veracruz, Mexico
Amethyst tip in perfect condition, brilliant and...
Quartz with rutile inclusions - Morasco region, Piedmont, Italy
Translucent quartz with golden rutile inclusions, delicately...
Fluorite and hematite - Face Sud des Droites, Mont-Blanc...
Large hematite slab crystallized on both sides, with a nice...
Fluorite - Buxières-les-Mines, Allier, France
Pseudo-spherical light violet fluorite on granitic matrix.The...
Calcite on quartz and fluorite - Fontsante, Var, France
Blade of violet fluorite recrystallized on the surface,...
Amethyst - Pégut, Puy-de-Dôme, France
Amethyst showing some damage, but with a superb deep purple...
Azurite - Kerrouchen, Morocco
Small group of azurite perfect in color, brilliance and...
Fluorite - Berbes, Asturias, Spain
Group of fluorite cubes of different sizes, partially covered...
Pyrite - Borieva mine, Madan, Bulgaria
Pyrite with rare pseudo-rhombohedral* habitus showing growth...
Citrine quartz - Bakrit, Meknes region, Morocco
Bright, amber-coloured citrine quartz from the Bakrit area in...
Amethyst - Piedra Parada, Veracruz, Mexico
Group of amethyst crystals in perfect condition with a very...
Fluorite - Berbes, Asturias, Spain
Small cube of violet fluorite, with well-defined internal...