Amethyst quartz - Maro Vaolavo, Madagascar
Sceptered amethyst quartz with clearly visible hematite...
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Sceptered amethyst quartz with clearly visible hematite...
Beige baytine crested pompom, rather shiny, not 100% perfect...
Microquartz naturally coated with iron oxides gives this vivid...
Chalcedony from Sidi Rahal, Morocco.11 x 8 x 3 cm
Corroded sphalerite from the Saint-Nicolas mine.4.7 x 3 x 1.5 cm
Piece composed of two quartz crystals joined together,...
Specimen composed of several ‘molten’ galena crystals...
A rare find! Bouquet of epidote accompanied by small garnets...
Hyalite opal crown on basalt, in perfect condition, showing a...
Löllingite (iron arsenide) with a beautiful metallic sheen in...
Here's a good-quality specimen for systematic use.6.5 x 5 x 3 cm
A specimen of prehnite and epidote from a find made in the...
Floating apple-green pyromorphite crystal from the Daoping...
Epitaxial hematite and rutile.3 x 2.5 cm
Sphalerite crystal in perfect condition and of good size (1.5...
Sphalerite on quartz from the Saint-Nicolas Mine.3.5 x 2.6 x...
Sphalerite on quartz from the Saint-Nicolas Mine.3.2 x 3 x 2.4 cm
A rare find! Superb star rutile floating in epitaxy around...
A rare find! Superb star rutile floating epitaxially around...
Rough topaz from Thomas Range, a region renowned for its...
Pseudomorphosis of vanadinite into phosphohedyphane...