Native copper - Michigan, United States
Polished native copper nugget (natural) weighing 56g.4 x 3 x...
Polished native copper nugget (natural) weighing 56g.4 x 3 x...
Piece in excellent condition, featuring superb deep orange...
Aurichalcite crystallized on the surface and also in small...
Uncommon specimen associating beige tabular barite with white...
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,...
Piece consisting of 3 marcasite nodules with crystals...
More than a dozen octahedral galena crystals on a sphalerite...
Well-crystallized royal blue azurite specimen from the classic...
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...
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...