V-shaped macle diaspore - Milas, Pinarsik, Province of Muğla,...
Rare twinned diaspore crystals, both with very good...
Rare twinned diaspore crystals, both with very good...
Small shiny hematite flakes on dolomite.8.5 x 6 x 5 cm
Small block of bright, surface-crystallized pyrite from the...
A specimen composed of several quartz crystals, one of which...
Hyalite opal crown on basalt, in perfect condition, showing a...
Epitaxial hematite and rutile.3 x 2.5 cm
A rare find! Superb star rutile floating in epitaxy around...
Xenotime crystal (rare yttrium phosphate) with attractive...
A group of bright axinite crystals from an unusual yet classic...
Tabular "sandwich" wulfenite from the former Mežica mines in...
Fine, colorless, shiny stalactite calcite. 4,5 x 0,5 x 0,3 cm.
Thick, single-crystal azurite, perfect in color, brilliance...
Small, well-formed, translucent and shiny brown sphene...
White, almost transparent calcite, very finelly crystallized...
Galena associated with a little fluorite (massive) at the...
A small, perfectly formed azurite single crystal of remarkable...
Very architectural set of rare acanthite crystals of a nice...
Rare acanthite crystals of beautiful size and brilliance, from...
Very architectural set of rare acanthite crystals of a...
Bright single crystal of colorless to slightly beige fluorite,...
Azurite in discoidal crystallization of 5,7 x 4,5 cm on white...
Almost complete geode (in two pieces) of brown to white...
Superb bouquet of fine aquamarine crystals, as if "frosted" at...
Well-crystallized stibine, with nice endings, from a recent...