Firefly quartz with petroleum inclusions - Madirobe, Madagascar
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
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...
Beautifully bright sceptered quartz with hydrocarbon...
Beautifully bright sceptered quartz with hydrocarbon...
Beautifully bright sceptered quartz with hydrocarbon...
Beautifully lustrous, windowed sceptrous quartz with...
Aragonite with violet hues in the centre and yellow at the...
Red aragonite in a pseudo-hexagonal macle, brilliant and well...
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...
Salmon-pink single crystal of serandite of respectable size...
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...
Slice of shimmering green seraphinite, polished on the front...
A number of small aurichalcite stars on a stabilised limonite...
Small, deep-orange calcite scalenohedrons on basalt. Calcite...
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...
Superb specimen of hematite in perfect condition, with smooth,...