Quartz with rutile inclusions - Novo Horizonte, Bahia, Brazil
Small point of naturally brilliant and transparent quartz (not...
Small point of naturally brilliant and transparent quartz (not...
Aerial specimen of stalactite cupriferous aragonite with an...
A bright colourless calcite geode, superbly balanced with a...
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...
Native copper with an atypical skeletal structure, due to...
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...
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...
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,...
Perfectly finished, translucent aquamarine crystal with albite...
Colorless, brilliant quartz combined with calcite in folded...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Sceptered amethyst quartz with clearly visible hematite...
This piece is composed of hessonite garnets, including a...
A specimen of prehnite and epidote from a find made in the...
Small andradite var. demantoid garnets with typical brilliance...
Azurite composed of numerous brilliant crystals set in...
Small “feather” of native copper with an atypical skeletal...
Native copper with an atypical skeletal structure, due to...
Pinite (cordierite pseudomorphosed into muscovite) single...