Geode of chalcedony - Charroux, Vienne, France
Full geode in grey chalcedony star covered with bright...
Full geode in grey chalcedony star covered with bright...
Piece of brown, almost black, mamelonned chalcedony geode from...
Half-geode of orange to white mamelonned chalcedony, from the...
Piece of orange to white mamelonned chalcedony geode, from the...
Amethyst quartz almost pink, with darker edges and tops, with...
Fluorite of a nice dark violet and relatively shiny surfaces....
Bright calcite crystal accompanied by colorless to violet...
Small slab of purple fluorite with dark purple edging, and...
Aesthetic and rare association for the locality of quartz...
Incomplete octahedron of pink fluorite (cleaved at the base),...
Small incomplete octahedron of translucent pink fluorite with...
Small incomplete octahedron of pink fluorite (two cleaved...
Rare small translucent pink fluorite half-octahedron, with a...
Group of brilliant pentagonite crystals in a 2 x 1.5 cm pompon...
Dodecahedral pyrite of extreme brilliance, incomplete at the...
Superb dodecahedral pyrite crystal of extreme brilliance,...
Dodecahedral pyrite of extreme brilliance, incomplete at the...
Floating crystal of pyrite, very bright, sprinkled with...
Small group of very bright vanadinite crystals with a superb...
Small group of very bright vanadinite crystals with a superb...
Small, bright pentagonite pompom, in excellent condition, from...
Blue-gray botryoidal quartz, commonly called "grape agate" of...
Amethyst botryoidal quartz, commonly called "grape agate" of...
Botryoidal quartz, commonly called "grape agate" of original...
Landscape stone from China, rectangular in shape, in the...
Landscape stone from China, rectangular in shape, in the...
Landscape stone from China, rectangular in shape, in the...
Landscape stone from China, rectangular in shape, like the...
Group of black tourmaline crystals (schorl variety), of superb...
Large crystal of black tourmaline (schorl variety), of a...
Large crystal of black tourmaline (schorl variety), of a...
Black tourmaline crystal (schorl variety), of superb...