Fluorite on sphalerite - Elmwood Mine, Tennessee, United States
Slightly bluish fluorite cubes scattered on extremely shiny...
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Slightly bluish fluorite cubes scattered on extremely shiny...
A plate combining well-formed galena crystals with a beautiful...
A well-formed galena octahedron on a sphalerite matrix. 1.5 x...
Several small, well-formed and bright spessartine garnets on...
Almost complete geode (in two pieces) of brown to white...
Gypsum in excellent condition, very fine quality, with...
Fibrous gypsum in a ‘club’ or ‘ram's horn’ shape, with a...
An elegant, airy fibrous gypsum specimen shaped like a “cane”...
An elegant, ethereal fibrous gypsum with a luster reminiscent...
A large specimen of gypsum with grey marl inclusions and...
Well-formed, very shiny hematite blade from a discovery made...
Hematite in small, highly lustrous hexagonal lamellae,...
This piece is composed of hessonite garnets, including a...
Chinese specimen of kermesite, featuring elongated crystals...
Chinese specimen of kermesite, featuring elongated crystals...
Kunzite variety spodumene crystal with a very pretty lilac...
Sample of libethénite in small shiny octahedral crystals, on...
A specimen combining white quartz crystals with deep green...
Native copper with an atypical skeletal structure, due to...
Small “feather” of native copper with an atypical skeletal...
Native copper with an atypical skeletal structure, due to...
Native copper with an unusual skeletal structure, resulting...
An aerial specimen of native copper with an unusual skeletal...
Specimen of native copper with an atypical skeletal structure,...
Rectangular Chinese landscape stone, in the manner of Italian...
Rectangular Chinese landscape stone, in the manner of Italian...
A slab of very fine-grained limestone, sawn and polished, with...
An attractive, airy specimen composed of several large...
Polished slice of polyhedral agate, in shades of white, which...
Polished slice of polyhedral agate, in shades of white, which...
Polished slice of polyhedral agate, which can be enjoyed as is...
A polished section of polyhedral agate, displaying a contrast...