Quartz - Tunnel d'Orelle, Maurienne, Savoie, France
Quartz, quite bright and translucent, entirely...
Quartz, quite bright and translucent, entirely...
A piece from the famous locality of Saint-Pierre-de-Mésage,...
Fibrous ‘crook’ or ‘ram's horn’ gypsum, with a shine...
Aesthetic and airy specimen composed of several crystals of...
Aesthetic and airy specimen composed of several crystals of...
Thick polished slice of polyhedral agate.Polyhedral agates...
Aesthetic, airy specimen composed of several crystals of...
Small point of naturally brilliant and transparent quartz (not...
Epitaxial rutile around hematite crystals. From a discovery of...
Epitaxial rutile around small hematite crystals. From a...
A very attractive specimen of cupriferous aragonite with an...
Numerous small proustite crystals in very good condition and...
Proustite crystals (the largest measuring 0.7 cm) in very good...
A specimen of light green prehnite and byssolite from a find...
Small piece composed of several wavellite spheres, one of...
A bright colourless calcite geode, superbly balanced with a...
Hyalite opal on basalt, in perfect condition, showing a very...
Slightly smoky quartz with rutile inclusion in golden needles...
Polished slice of polyhedral agate, to be appreciated as such...
Fiber-terminated tourmaline crystal with a superb blue...
Very fine quartz fluorite perimorphosis covered with a layer...
Rare yellow vanadinite (color given by pseudomorphosis into...
Association of small magnetite octahedrons with a beautiful...
Small, mostly bright, automorphic azurite crystals (not so...
Translucent quartz with golden rutile inclusions, delicately...
Large hematite slab crystallized on both sides, with a nice...
Smoky quartz with two peaks, beautiful cognac color, superb...
Botryoidal quartz, commonly known as “cluster chalcedony”,...
Pyrite with rare pseudo-rhombohedral* habitus showing growth...
The piece is composed of a first generation of green fluorite...
Colorless, brilliant quartz combined with calcite in folded...