Fluorite - Greenlaws mine, Weardale, United Kingdom
Small “kidney” of fluorite in light gray/purple crystals that...
Small “kidney” of fluorite in light gray/purple crystals that...
Cerusite in mottled, bright, shock-free crystals on a barite...
Rare fluorite from Colombia with highly textured surfaces...
Small cluster of brilliant, very slightly amethyst quartz,...
Colorless, brilliant quartz combined with calcite in folded...
Piece consisting of 3 marcasite nodules with crystals...
More than a dozen octahedral galena crystals on a sphalerite...
Piece from the construction of a bridge over the A20 at...
Well-crystallized royal blue azurite specimen from the classic...
Small floating group of bright, well-finished bow-tie...
Small floating group of bright, well-finished bow-tie...
Nice little group of amethyst crystals from Mexico.4.3 x 2.8 x...
Thumbnail of native copper, superbly crystallized as a spinel...
This piece is composed of primary malachite crystals...
Entirely crystallized (floating) piece consisting of a flat...
Rhodochrosite with multiple brilliant facets, contrasting with...
Bunch of bright brown/beige tabular baryte crystals, most of...
Beautifully lustrous scepter quartz from the same locality as...
Beautifully bright quartz with hydrocarbon inclusions,...
Beautifully bright sceptrous quartz with hydrocarbon...
Beautifully bright sceptrous quartz with hydrocarbon...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
Small calcite scalenohedrons in a beautiful deep orange on...
Epitaxial set of golden rutile and hematite needles with...
Bright, amber-colored citrine quartz flower from the Bakrit...
Superb association of small, very bright, translucent dioptase...
Brown, almost black, mamelonized chalcedony half geode from...