Firefly quartz with petroleum inclusions - Madirobe, Madagascar
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant quartz with hydrocarbon inclusions,...
Beautifully bright sceptered quartz with hydrocarbon...
Beautifully bright sceptered quartz with hydrocarbon...
Aragonite with violet hues in the centre and yellow at the...
Floating specimen of shiny black calcite reminiscent of an...
Well finished green beryl 1.5 x 0.7 cm in its biotite matrix,...
A polysynthetic single crystal of fluorite in excellent...
Interesting combination of analcime and aegerine.4.5 x 4.5 x...
5 mm crystal with a beautiful metallic luster, on a rhyolite...
Several crystals of proustite of good size (centimetre), and...
Wavellite crystals, most of them sectioned, revealing the...
A number of small aurichalcite stars on a stabilised limonite...
Small, deep-orange calcite scalenohedrons on basalt. Calcite...
Rare shiny black calcite from a small pocket in this mine in...
Small plate composed of well-formed, brilliant grossular...
Piece composed of a multitude of green, translucent and very...
Set of bright apophyllite crystals on basaltic gangue.5.5 x 4...
Faden quartz in perfect condition, with beautiful translucency...
Floating, translucent moldavite.Moldavite is a variety of...
A specimen composed of well-defined, brilliant-blue azurite...
A specimen composed of well-defined, brilliant-blue azurite...
An azurite flower with well-defined, deep-blue crystals and a...
Beautifully bright green fluorite crystals with perfectly...
Fluorite from the Bergmännisch Glück mine in Germany on...
Fluorite with truncated edges, pretty purple ghosts and a...
Fluorite with truncated edges, pretty purple ghosts and a...
Translucent violet fluorite with shiny surfaces and a deep...
Purple fluorite with a shiny surface at the center and clearly...
Floating translucent violet fluorite, revealing a deep violet...
Floating specimen composed of a tangle of brilliant quartz in...