Blue aragonite - Dongshuang mine, Yunan province, China
Aesthetic, airy specimen of stalactite cupriferous aragonite...
Aesthetic, airy specimen of stalactite cupriferous aragonite...
Aesthetic, airy specimen of stalactite cupriferous aragonite...
Aerial specimen of stalactite cupriferous aragonite with an...
An attractive, airy specimen of cupriferous aragonite with an...
Copper-bearing aragonite with an attractive blue colour and...
Copper-bearing aragonite with an attractive blue colour and...
An aesthetic, airy specimen of copper-bearing aragonite with...
Small slab of cupriferous aragonite with an attractive blue...
Stalactite aragonite with an attractive blue colour.2.5 x 2 x...
Stalactite aragonite with an attractive blue colour.2.2 x 1.9...
A very attractive specimen of cupriferous aragonite with an...
Turquoise-blue aurichalcite associated with colourless calcite...
A superb specimen featuring a bouquet of bright red,...
Proustite crystals (the largest measuring 2 x 0.5 cm) in very...
Plating of proustite crystals in good condition and very shiny...
Numerous small proustite crystals in very good condition and...
Plating of proustite crystals in good condition and very shiny...
Proustite crystals (the largest measuring 0.7 cm) in very good...
A small plate of millimetre-sized proustite crystals in very...
Numerous small proustite crystals very bright on a thin...
Proustite crystals (the largest measuring 2 x 0.8 cm) in very...
Numerous small proustite crystals in very good condition and...
Specimen composed of a multitude of extremely brilliant...
Small group of centimetric and bright dioptase crystals.3.3 x...
Small piece composed of several wavellite spheres, one of...
Classical Malian association of prehnite spheres on...
An aesthetic and ethereal specimen combining a chalcedony...
Hyalite opal on basalt, in perfect condition, showing a very...
Colorless, translucent quartz with inclusions of very fine...
Colorless to very slightly smoky quartz point with inclusions...
Small, naturally brilliant, transparent quartz point (not...
Slightly smoky quartz associated with golden rutile needles...