Sceptre quartz, Vizille, Isère, France.
Very well formed sceptre quartz with a very nice purity...
Very well formed sceptre quartz with a very nice purity...
Sceptre quartz very well formed and very lustrous, not so...
Hematite and rutile in epitaxy. A great classic Brazilian...
Rare amorphous aluminum phosphate, here of an intense blue,...
Evansite (rare aluminum phosphate) of different blues,...
Rare amorphous aluminum phosphate, here of an intense blue....
Rare amorphous aluminum phosphate, evansite is here expressed...
Turquoise-blue aurichalcite presents under colorless and...
Aurichalcite in bunches of very fine turquoise blue needles...
Acicular turquoise-blue aurichalcite and colorless calcite,...
Polysynthetic crystal of pyrite with a mirror-like shine. Two...
Very bright pyrite crystals (mirror effect), in almost perfect...
Amethyst botryoidal, commonly called "cluster chalcedony",...
Biterminated apatite crystal (1.3 cm long) colorless to very...
Small but very bright crystals of babingtonite on light green...
Two small crystals of green apatite, shiny and in very good...
Large and fine brown crystals of brookite, translucent, shiny...
Miniature composed of brilliant and intact crystals of...
Small group of bright, well-formed vesuvianite crystals with...
Group of green apatite crystals (yellow under UVs) slightly...
Very light blue apatite crystals, in very good condition (very...
Blue/green apatite crystal, shiny, incomplete at the back but...
Small, bright, colorless apatite crystals (yellow under short...
Smoky, biterminated quartz, shiny, intact, with a flat back...
Silver needles of arsenopyrite on black sphalerite. 5 x 3,5 x...
Ilvaite in small, well-formed, relatively bright millimeter...
Rare V-twinned diaspore crystals, both with a very nice...
Rare diaspore crystals twinned as a heart shape, both with a...
Rare v-twinned diaspore crystals, both shiny. One of the two...
Small red vanadinite crystals, brilliant, in excellent...
Small red vanadinite crystals, shiny, in excellent condition,...
Deep purpleantozonite fluorite, with bright surfaces, and in...