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...