DG Minéraux - David Gouyon

Pyrite crystals partially covered with hematite. This specimen comes from the island of Elba, Tuscany, Italy. This pyrite weighs 142 grams.4,5 x 4 x 3,7 cmReference : 0173

Rare sample of brown pyromorphite from Friedrichssegen mines, Bad Ems, Germany. These mines, which have become classics of German mineralogy, closed in 1913. This specimen, floating, presents 2 generations of crystals in very good condition.3,6 x 2,3 x 1,5 cmReference : 0174

Aesthetic piece of amethyst with gemstone and well-formed crystals on beige dolomite. It comes from Italy, from Crasto Muradu, Osilo in Sardinia. Its weight is 97 grams.6,9 x 3,8 x 4,5 cmReference : 0177

Slightly geoded specimen from Khadakwani, Madhya Pradesh in India. He wears fine crystals of amethyst with crystals of calcite and on the bottom of the piece a crystal of chabazite. It weighs 41 grams.5,5 x 3,3 x 1,8 cmReference : 0178

Piece rich in crystallizations, with crested pink barite, galena and numerous crystals of brilliant cerusite. Typical of the sector, it comes from the Mibladen mines in Morocco. It weighs 462 grams.11,2 x 6,7 x 4,9 cmReference : 0179

Light blue barite joined together crystals from La Mure, Isère, France. It weighs 96 grams.4,2 x 4,6 x 3 cmReference : 0180

Piece of chrysocolla after malachite after azurite. It comes from the Luputo mine in Katanga, Republic of Congo. Its weight is 20 grams.5,6 x 3,4 x 3 cmReference : 0182

Transparent calcite on a red ocher matrix from Santa Eulalia, Chihuahua, Mexico. It weighs 171 grams. The ocher of the gangue is relatively crumbly and colors what is in contact with it.9,2 x 6,4 x 4,3 cmReference : 0183

Botryoid limonite with an iridescent effect on the surface, contrasting well with the ocher matrix. This Alsatian specimen comes from Haut-Rhin, Mollau sector, France. Its weight is 477 grams.9,3 x 7,3 x 6,6 cmReference : 0186

Specimen mounted on a patinated native silver plinth. It measures 3.1 cm long and 0.4 cm thick. Piece from Cobar in Australia.3,1 x 0,4 cmReference : 0187

Group of three pyrite crystals, partially covered with hematite. This specimen comes from the island of Elba, Tuscany, Italy. This pyrite weighs 133 grams.4,8 x 4,4 x 2,8 cmReference : 0188

Green tourmaline crystal encased in a block of quartz.This specimen weighs 456 grams.The crystal is 5.7cm long and 1.2cm wide.This piece comes from Madagascar.9,8 x 7,6 x 5,8 cmReference : 0189

Piece bearing a pompom of fibro-radiated malachite on chrysocolla, with a nice contrast with the dark matrix. This specimen comes from the Republic of Congo. Dense, it weighs 64 grams.5,4 x 3,2 x 3,3 cmRéférence : 0190

Aesthetic thumbnail highlighting a bixbyite crystal with well-designed truncations. This specimen measures 1.7 cm in height and the crystal is 5 mm in edge. It comes from the Thomas Range deposit in Utah, United States. Piece mounted on a base.1.7 cm (5 mm crystal)Référence : 0191

Brilliant amethyst geode of a deep color with a single crystal of white calcite. This polished piece on the back comes from Uruguay. Its weight is 587 grams.8,7 x 7,1 x 6,3 cmRéférence : 0192

Beautiful presentation for this typical piece from the Trepca mine, Kosovo. It presents a brilliant sphalerite surmounted by galena, pyrrhotite pseudomorphosed into pyrite and white calcite. Under the calcite one can observe some crystals of rhodochrosite and an unidentified plumosite. It...

Slightly geoded specimen from Khadakwani, Madhya Pradesh in India. It wears fine clear amethyst crystals with calcite and chabazite crystals. It weighs 44 grams. 4,7 x 3,7 x 1,6 cmReference : 0195

Greek specimen of rhodochrosite with pyrite, with some millimeter quartz crystals. This coin is from Madem Lakkos, Macedonia, Greece. Its weight is 30 grams. Restoration to note.2,8 x 3,5 x 2,2 cmReference : 0197

Piece of fossil and opal wood, from an ancient petrified forest at the foot of Mount Tjikolak, West Java, Indonesia. The blue green color comes from the copper contained in the opal. This polished piece is 4 cm long for 24 grams.4 x 2,9 x 2 cmReference : 0198

Specimen of ferro-actinolite, a rare silicate located at the end of the actinolite series. It comes from the Jerez de los caballeros deposit, Badajos province in Spain. Its weight is 33 grams.6,1 x 3,8 x 2,1 cmReference : 0199

Aesthetic piece typical of Trepca in Kosovo. The matrix bears crystals of brilliant sphalerite, covered with rhodochrosite, itself covered with crystals of white calcite. This item weighs 226 grams. (Free international delivery) 7,2 x 6,3 x 3,8 cmReference : 0200

Piece of chrysocolla after malachite after azurite. It comes from the Luputo mine in Katanga, Republic of Congo. This fine matrix specimen weighs 19 grams.5,8 x 5,6 x 1,2 cmReference : 0201

Quartz specimen on galena from Madan in Bulgaria.Note two broken quartz but the piece remains aesthetic.Its weight is 263 grams.7,7 x 6,8 x 5,9 cmReference : 0166

Brilliant vanadinite offering a nice contrast with white barite. Specimen from Mibladen in Morocco. Its weight is 41 grams.4,8 x 4,3 x 1,8 cmReference : 0168