Pink Smithsonite - Tsumeb, Namibia
Rare pink smithsonite (cobalt-rich) in brilliant, almost...
Rare pink smithsonite (cobalt-rich) in brilliant, almost...
Specimen composed of several galena crystals with a "molten"...
Specimen composed of several galena crystals with a "molten"...
Pseudo-rhombohedral pyrite showing growth streaks and quite...
Very lightly amethysted sceptered quartz flower in perfect...
Superb and unusual association of short Uvs-reactive hyalite...
Arsenopyrite crystal in very good condition and very bright on...
A group of amethyst crystals in perfect condition, with...
A group of amethyst crystals in perfect condition, with...
Beautifully sized, bright apophyllite crystals on basaltic...
Incomplete spinel octahedra on a white marble matrix, offering...
Plate composed of a multitude of white stilbite in good...
Group of translucent gypsum crystals from the former...
Botryoidal quartz, commonly called "agate grappe", with a...
Botryoidal quartz, commonly called "agate grappe", has a very...
Botryoidal quartz, commonly called "agate grappe" has a lovely...
Botryoidal quartz, commonly called " agate grappe", has a very...
Small, deep-orange calcite scalenohedrons on basalt. Calcite...
Bright, pseudo-cubic green apophyllite crystals on basaltic...
Group of very bright smoky quartz from Australia.4.5 x 2.8 x 2 cm
Long, fine amethyst point in perfect condition, bright and...
Superb set of royal-blue azurite with excellent brilliance and...
Beautifully brilliant amethyst from the Alacam amethyst mine...
Classic Malian association of well expressed prehnite and...
Slightly hematoid quartz slab with gray/blue center from the...
Colorless, brightly translucent quartz point with beautiful...
Colorless, brightly translucent quartz point with beautiful...
Cubes of green fluorite combined with quartz on calcite.5 x...
Small, almost colorless specimen of Italian fluorite.3.4 x 2.5...
High-quality diamond quartz on ankerite from the...