Amethyst - Les Rioux de la Barre, Puy-de-Dôme, France
Small floating group of bright violet amethyst with deeper...
Small floating group of bright violet amethyst with deeper...
A specimen of light green prehnite and byssolite from a find...
A bright colourless calcite geode, superbly balanced with a...
Polished slice of polyhedral agate, to be appreciated as such...
Fiber-terminated tourmaline crystal with a superb blue...
Bright, colorless, well-formed analcime crystals from a small...
A set of bright, translucent “diamond” calcite crystals.7 x 8...
A beautiful, large, floating, translucent, automorphic gypsum...
Rare yellow vanadinite (color given by pseudomorphosis into...
Small, pseudo-cubic pyrite crystal with superb brilliance. A...
Dark violet fluorite with shiny surfaces dotted with a few...
Native copper with an atypical skeletal structure, due to...
Well-translucent, perfectly finished aquamarine single...
Attractive sample of amethyst quartz in perfect condition,...
Amethyst tip in perfect condition, brilliant and...
Large hematite slab crystallized on both sides, with a nice...
Amethyst showing some damage, but with a superb deep purple...
Small group of azurite perfect in color, brilliance and...
Group of fluorite cubes of different sizes, partially covered...
Group of amethyst crystals in perfect condition with a very...
Small cube of violet fluorite, with well-defined internal...
Small cube of violet fluorite, with well-defined internal...
Aragonite of red colour in the centre and yellow at the ends...
Rough topaz from Thomas Range, a region renowned for its...
Several small, well-formed and bright spessartine garnets on...
Bright amethyst quartz point with hematite inclusions.3.2 x...
Aragonite with violet hues in a pseudo-hexagonal macle,...
Small, perfectly finished, translucent aquamarine crystal.1.5...
Perfectly finished, translucent aquamarine crystal.2.1 x 0.5 x...
Perfectly finished, translucent aquamarine crystal with albite...
Colorless, brilliant quartz combined with calcite in folded...
Rectangular Chinese landscape stone, in the manner of Italian...