Quartz and Orthoclase – Cuasso al Monte, Province of Varese,...
Specimen featuring three milky quartz crystals set on a...
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Specimen featuring three milky quartz crystals set on a...
Fibrous malachite exhibiting a particularly attractive,...
A duo of aquamarines combining a natural crystal and a cut...
A pair of blue kyanites showcasing two very different forms...
A very lustrous, red-orange crocoite single crystal with a...
Specimen composed of numerous well-defined calcite crystals,...
Specimen featuring abundant green diopside crystallization,...
An epidote cluster consisting of several elongated,...
This specimen features several haüyne crystals of a...
A small azurite single crystal partially pseudomorphosed into...
Specimen featuring two twinned quartz crystals (Japan twin /...
A cluster of brilliant tourmaline crystals associated with...
Group of plume-shaped vanadinite crystals resting on a small...
A colorless, highly lustrous double-terminated quartz crystal...
This specimen features a group of purple fluorite cubes, with...
This specimen features reddish-orange limonite interspersed...
A duo of garnets combining a natural crystal and a small...
A cluster of epitaxial rutile surrounding small hematite...
An openwork specimen of native copper exhibiting an atypical...
Pyrite exhibiting a rare pseudo-rhombohedral habit, with...
Cristal de quartz biterminé, avec une zone centrale...
A specimen featuring a combination of black sphalerite, white...
A pair of Sri Lankan sapphires consisting of a natural...
Specimen featuring a main hematite quartz crystal with a...
This specimen features a tabular wulfenite crystal of intense...
This specimen features very abundant amethyst...
This small calcite specimen from the Grabiszyce quarry in the...
A translucent quartz point with a distinct shape, featuring...
A pair of amethysts from Madagascar consisting of a natural...
Specimen featuring numerous small tabular orange wulfenite...
This Chinese kermesite takes the form of an elegant aggregate...
This small quartz geode from Tabasco is displayed open, in two...