Firefly quartz with petroleum inclusions - Madirobe, Madagascar
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully bright sceptered quartz with hydrocarbon...
Beautifully bright sceptered quartz with hydrocarbon...
A group of quartz with brown and green chlorite inclusions,...
Floating specimen of shiny black calcite reminiscent of an...
Adorable association of small calcite, siderite and quartz...
Single crystal of pinite (cordierite pseudomorphosed into...
Curious internal moulding of a probable bluish lussatite root,...
Hematoid quartz in very good condition with very shiny...
Several gypsum crystals of superb transparency and brilliance,...
Rare fluorite from Brittany, from work on the Rennes-Le Mans...
Finely crystallised hematite with a beautiful metallic sheen...
A number of small aurichalcite stars on a stabilised limonite...
Imposing, slightly smoky, translucent and brilliant quartz in...
Gypsum in excellent condition, very fine quality, with...
Superb specimen of hematite in perfect condition, with smooth,...
Plate composed of several smoky quartz points, oriented in...
Smoky, translucent quartz crystal from the Mont-Blanc Massif....
An azurite flower with well-defined, deep-blue crystals and a...
Aerial specimen composed of millimeter-sized prismatic...
This specimen has perfectly transparent, brilliant quartz...
Superb royal blue azurite crystal from Chessy.2 x 1.8 x 1.4 cm
Fluorite from the Bergmännisch Glück mine in Germany on...
Excellent violet fluorite with shiny surfaces, two of which...
Floating translucent violet fluorite, revealing a deep violet...
Set of two thick, perfectly terminated and brilliant azurite...
This piece is a real favourite! Here we find an unusual...
A rare find! Bouquet of epidote accompanied by small garnets...
A rare find! Bouquet of epidote accompanied by small garnets...
Very high quality biterminated amethyst crystal!4.2 x 1.6 x...
Half octahedron of pale orange scheelite on muscovite in...