Gypsum - Angervilliers, Essonne, France
Group of translucent gypsum crystals from the former...
Group of translucent gypsum crystals from the former...
High-quality diamond quartz on ankerite from the...
Group of translucent gypsum crystals from the former...
Smoky quartz combined with orthoclase.3.4 x 1.6 x 1.6 cm
Yellow fluorite cubes with pyrite micro-crystals.3.4 x 2 x 1.5 cm
Small specimen of bright amethyst. 4 x 2.3 x 1.7 cm
High-quality diamond quartz on calcite and dolomite from the...
High-quality diamond quartz on calcite and dolomite from the...
High-quality diamond quartz on calcite and dolomite from the...
Two very fine diamond quartz on gangue. 5 x 2.5 x 1.7 cm
Small group of smoky and brilliant quartz. 3.6 x 2.4 x 2 cm
A high quality translucent axinite crystal accompanied by a...
Smoky quartz point partly covered with siderite. 3.5 x 3.4 x...
Complete chalcedony geode, slightly bluish (bluer in reality...
Piece composed of very bright white albite contrasted with a...
This piece is made up of very shiny red sphalerite,...
A very bright amethyst point with a slightly more pronounced...
Specimen of royal blue azurite with a very well crystallised...
A set of translucent quartz with superb brightness, typical of...
Old piece of copper-bearing aragonite from the Arrigas mines,...
Biterminated quartz with chlorite inclusions. Brilliant...
A locality that has produced some of France's finest...
Several bright, gemmy axinite crystals with feldspar. One...
Green natrodufrenite spheres. This deposit, discovered by the...
Natrodufrénite with green fibroradial structure. This deposit,...
Crystallized marcasite on limestone matrix, very shiny with...
Specimen composed of a tangle of brilliant hyaline quartz...
A very attractive specimen composed of several tetrahedrites...
A technical and aesthetic piece consisting of several...
Sample of galena associated with a little fluorite and quartz...