Galena, sphalerite and baryte - Les Vieux Travaux,...
Plate composed of small Uvs-reactive galena and sphalerite...
Plate composed of small Uvs-reactive galena and sphalerite...
Microcrystals of green pyromorphite lining a quartz matrix,...
Gypsum with grey marl inclusions. Glossy surface.5.7 x 2.8 x 2 cm
Pseudomorphosis of vanadinite into phosphohedyphane...
Bright red wulfenite from the Jianshan mine in China. Red is...
Bouquet of colorless, lustrous calcite crystals.3.9 x 2 x 1 cm
Light-green apophyllite in small pseudo-cubic crystals that...
Bright, colorless star-shaped gypsum crystals. Piece from the...
Bright, pale yellow to lemon-colored, well-crystallized...
Lazurite crystals in their marble matrix.5.8 x 4.4 x 3.5 cm
Specimen composed of calcite, aurichalcite and probably...
Azurite in discoidal crystallization on a white kaolinite...
Clusters of blue barite with calcite on limonite gangue.6.5 x...
A rare find! Superb star rutile floating in epitaxy around...
A rare find! Superb star rutile floating in epitaxy around...
A rare find! Superb star rutile floating in epitaxy around...
A rare find! Superb star rutile floating in epitaxy around...
Small cube of good quality with green chromium inclusions.Long...
Rare colorless cubic fluorite from Colombia with clear...
Colourless cube with truncations at each corner and green...
Colourless cubes, some with very clear truncation and green...
Colourless cube with clear truncation and green chromium...
Colourless cube showing dissolution figures with green...
Superb and unusual association of short Uvs reactive hyalite...
Superb and unusual association of short Uvs reactive hyalite...
Superb and unusual association of short Uvs reactive hyalite...
Superbe et peu commune association d'opale hyalite réactive...