Hyalite opal - Kopasz Hill, Tarcal, Tokaj, Hungary
Hyalite opal crown on basalt, in perfect condition, showing a...
Iridescent goethite - Tharsis, Andalusia, Spain
Iridescent goethite from Spain.5 x 2.1 x 1.1 cm
Evansite - Wenshan mine, Yunnan, China
Evansite (rare amorphous aluminum phosphate) shown here in...
Wulfenite - Rawley mine, Arizona, USA.
Orange tabular wulfenite crystals on matrix.5.5 x 5.4 x 5 cm
Pyromorphite - Daoping Mine, Guangxi Province, China
Plate composed of small, shiny pyromorphite crystals.3.8 x 3 x...
Wavellite - Mauldin, Arkansas, United States
Small piece composed of several spheres of shiny wavellite, in...
Epidote and quartz - Imilchil, Morocco
Brilliant butterfly-shaped epidote crystals with quartz.4.9 x...
Galena, sphalerite and baryte - Les Vieux Travaux,...
Plate composed of small Uvs-reactive galena and sphalerite...
Pyromorphite and crocoite - Filon du cantonnier, Nontron,...
Microcrystals of green pyromorphite lining a quartz matrix,...
Gypsum - Sinard, Isère, France
Gypsum with grey marl inclusions. Glossy surface.5.7 x 2.8 x 2 cm
Yellow vanadinite - phosphohedyphane, Taouz, Morocco
Pseudomorphosis of vanadinite into phosphohedyphane...
Wulfenite - Jianshan Mine, Xinjiang Region, China
Bright red wulfenite from the Jianshan mine in China. Red is...
Calcite - Qinglong Mine / Dachang, Guizhou, China
Bouquet of colorless, lustrous calcite crystals.3.9 x 2 x 1 cm
Apophyllite on mordenite - Nashik district, Maharashtra, India
Light-green apophyllite in small pseudo-cubic crystals that...
Gypsum - Angervilliers, Essonne, France
Bright, colorless star-shaped gypsum crystals. Piece from the...
Brucite - Killa Saifullah district, Balochistan, Pakistan
Bright, pale yellow to lemon-colored, well-crystallized...
Lazurite - Sar-e Sang, Badakhshan, Afghanistan
Lazurite crystals in their marble matrix.5.8 x 4.4 x 3.5 cm
Aurichalcite - Ojuela Mine, Mapimi, Durango, Mexico
Specimen composed of calcite, aurichalcite and probably...
Azurite " sun " - Malbunka copper mine, Northern Territory,...
Azurite in discoidal crystallization on a white kaolinite...
Blue barite - Nador, Morocco.
Clusters of blue barite with calcite on limonite gangue.6.5 x...
Star Rutile - Novo Horizonte, Bahia, Brazil
A rare find! Superb star rutile floating in epitaxy around...
Star Rutile - Novo Horizonte, Bahia, Brazil
A rare find! Superb star rutile floating in epitaxy around...
Star Rutile - Novo Horizonte, Bahia, Brazil
A rare find! Superb star rutile floating in epitaxy around...
Star Rutile - Novo Horizonte, Bahia, Brazil
A rare find! Superb star rutile floating in epitaxy around...
Fluorite - Penas Blancas, Boyaca, Colombia
Small cube of good quality with green chromium inclusions.Long...
Fluorite - Penas Blancas, Boyaca, Colombia
Rare colorless cubic fluorite from Colombia with clear...