Smoky quartz and microcline - North Moat Mountain, New...
Small smoky quartz crystals on a mat of sheeted microcline.6.3...
Small smoky quartz crystals on a mat of sheeted microcline.6.3...
Small cube of violet fluorite, with well-defined internal...
Long, fine amethyst point in perfect condition, shiny and...
Single crystal of brown zunyite with truncated edges and a few...
Sceptre amethyst quartz with a beautiful brilliance and well...
Small point of naturally brilliant and transparent quartz (not...
Rutile epitaxy around hematite crystals, very well terminated,...
Epitaxial rutile around small hematite crystals on rhyolite....
Epitaxial rutile around hematite crystals. From a discovery of...
Epitaxial rutile around small hematite crystals. From a...
Aerial specimen of stalactite cupriferous aragonite with an...
A very attractive specimen of cupriferous aragonite with an...
Small piece composed of several wavellite spheres, one of...
Colorless to very slightly smoky quartz point with inclusions...
Polished slice of polyhedral agate, to be appreciated as such...
Fiber-terminated tourmaline crystal with a superb blue...
Rare yellow vanadinite (color given by pseudomorphosis into...
Small, pseudo-cubic pyrite crystal with superb brilliance. A...
Dark violet fluorite with shiny surfaces dotted with a few...
Native copper with an atypical skeletal structure, due to...
Small, fairly bright azurite crystals, contrasting with a...
Well-translucent, perfectly finished aquamarine single...
Attractive sample of amethyst quartz in perfect condition,...
Amethyst tip in perfect condition, brilliant and...
Translucent quartz with golden rutile inclusions, delicately...
Small group of azurite perfect in color, brilliance and...
Group of fluorite cubes of different sizes, partially covered...
Pyrite with rare pseudo-rhombohedral* habitus showing growth...
Bright, amber-coloured citrine quartz from the Bakrit area in...
Group of amethyst crystals in perfect condition with a very...
Small cube of violet fluorite, with well-defined internal...