Cassiterite – Pingwu beryl mine, Xuebaoding Mountains, China –...
A small single crystal of cassiterite, a tin mineral, with a...
A small single crystal of cassiterite, a tin mineral, with a...
A cluster of morion quartz crystals partially covered with...
Two crystals, including a bipyramidal anatase with a beautiful...
A DUO of a cut stone and a natural stone, crafted by...
Specimen comprising a small tuft of electric blue cavansite...
A piece of amber in a deep orange hue, polished on almost all...
A cluster of small, extremely brilliant and translucent yellow...
A specimen consisting of small, slightly mauve fluorite...
Small, needle-like crystals of aurichalcite with a lovely...
A small specimen of dioptase with a beautiful lustre,...
A specimen comprising numerous small, vivid red garnet...
A small cluster of fluorite crystals forming well-defined...
A small, well-formed cluster of vanadinite crystals with a...
A highly attractive specimen composed of golden rutile needles...
A cluster of small, relatively lustrous, violet hexagonal...
A cluster of small, highly lustrous smoky quartz crystals. 6 x...
Crocoite needles in a lovely red-orange hue, typical of this...
A small cluster of green pyromorphite with a lovely...
Golden-coloured rutile crystals (titanium dioxide) formed by...
A small comb-shaped quartz with a translucent, highly lustrous...
A DUO of a cut stone and a rough stone, crafted by usRough...
A small specimen comprising several green wavellite spheres of...
A slab composed of small, shiny, transparent quartz needles...
A small specimen of bright cerussite, crystallised in a...
cube of blue fluorite associated with small, shiny quartz...
A charming little specimen consisting of a pink fluorite...
A single crystal of spodumene, kunzite variety, with a lovely...
Specimen composed of pseudohexagonal rosettes of silvery-pink...
A good-sized, fairly translucent fluorite cube. Its colour,...
Small polished slice of polyhedral agate, which can be enjoyed...
Specimen composed of pyrite with striated (triglyph) faces,...
Small, well-formed topaz single crystal, brilliant and...