Native copper - Bou Nahas Mine, Oumjrane, Morocco
An aerial specimen of native copper with an unusual skeletal...
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An aerial specimen of native copper with an unusual skeletal...
Beige siderite petals associated with colorless quartz...
This specimen features well-defined crystals of colorless,...
A well-formed galena octahedron on a sphalerite matrix. 1.5 x...
Schorl tourmaline crystals, the largest measuring 8 cm, on a...
A floating single crystal of light green adularia associated...
An elegant, ethereal fibrous gypsum with a luster reminiscent...
A small, well-formed, glossy prehnite cluster in a butterfly...
A light yellow calcite rhombohedron perched on a translucent...
A polished section of polyhedral agate, displaying a contrast...
A stunning geode from Tabasco (Mexico), presented as two...
A single aragonite crystal with pseudo-hexagonal twinning,...
A slab of very fine-grained limestone, sawn and polished, with...
A well-crystallized yellow calcite scalenohedron with shiny...
A group of tabular baryte crystals that are partially...
A highly translucent quartz point with a beautiful luster.5.4...
Numerous dark orange, almost red wulfenite crystals on a...
Native copper with an unusual skeletal structure, resulting...
Hematite in small, highly lustrous hexagonal lamellae,...
An elegant, airy fibrous gypsum specimen shaped like a “cane”...
Quartz tip at the base, with an amethyst terminus featuring a...
Turquoise-blue acicular aurichalcite crystals, set against...
Specimen comprising several quartz points with chlorite...
A cluster of quartz with chlorite inclusions at the base. The...
A well-terminated barite single crystal with a lovely honey...
A specimen combining white quartz crystals with deep green...
A cluster of well-developed, colourless calcite...
A beautifully finished, translucent, colourless single crystal...
A large specimen of gypsum with grey marl inclusions and...
Spécimen tridimensionnel composée d'un accolement de plusieurs...
A slightly smoky, naturally lustrous quartz point featuring...
A specimen composed of amethyst crystals that are colourless...