Quartz and tourmaline - Minas Gerais, Brazil
Specimen composed of a translucent green tourmaline with a...
Specimen composed of a translucent green tourmaline with a...
Geode from Tabasco (Mexico), presented in two perfectly...
Superb geode from Tabasco (Mexico), presented in two perfectly...
The smallest geodes in the world!Small microcrystalline quartz...
The smallest geodes in the world!Small microcrystalline quartz...
White baryte pompons scattered on crystallized quartz in...
Surface specimen composed of several crystals of pyromorphite...
Small crystal of bolite with a characteristic indigo blue...
Double fan or bow tie epidote, with superb brilliance and in...
A fan-shaped epidote with superb brilliance both on the...
A bright colourless calcite geode, superbly balanced with a...
Fiber-terminated tourmaline crystal with a superb blue...
Large hematite slab crystallized on both sides, with a nice...
Small “feather” of native copper with an atypical skeletal...
Native copper with an atypical skeletal structure, due to...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Rare acanthite crystals of beautiful size and brilliance, from...