Minerals

Paire d'opales boulder, la paire est dissociable dimensions : à gauche 3.8 x 2 x 0.6 cm à droite 3.8 x 2.3 x 0.4 cm provenance de la pierre : Australie taille réalisée en France 300€ la paire 200€ l'unité

Specimen containing three anatase crystals measuring up to 8 mm, surrounded by quartz points.It originates from the Lauzière massif, Savoie, Auvergne-Rhône-Alpes, France.This piece measures 10 cm long, 3.5 cm wide, and 3.6 cm thick.Its weight is 134 grams.Additional photos and online ordering are...

A little-known but historic locality for Dioptases, Altyn Tyube in Kazakhstan has offered many specimens of Dioptase, some of which, like this one, are of remarkable quality. Dioptase crystals have an intense green and gem color, and are associated with colorless but very bright Calcite crystals...

Very nice specimen well crystallized. Sold with acrylic base.4,10 x 2,40 cmReference : 0645

Sample of dark blue azurite, crystallized in geodetic areas, associated with white cerussite.It comes from the Mashamba mine, Katanga, Republic of Congo.Specimen measuring 6.4 cm long by 4.2 cm wide and 3.7 cm at its thickest.Its weight is 137 grams.Additional photos and order online on the...

Very nice specimen of topaz with beautiful faces and a beautiful typical Pakistan crystallization.2,95 x 2,70 x 2 cmReference : 0727

Very beautiful trapus crystals of Celestine gems with a strong blue color. The crystals are well formed, wide and let light through.8,40 x 5,30 x 4,90 cmReference : 3324

Set of green Uvite crystals from Brazil.2,20 x 1,80 x 1,20 cmReference : 3053

Cabochon opale Provenance : Mexique (ramenée de voyage) Taille réalisée en France Possibilité de percer pour mise en pendentif 2.1 x 1 x 0.5 cm

Favorite, for these calcites on bi-colored ghosts fluorines, very good quality, graphics and esthhetics, it has everything!9 x 8 x 4 cmReference : 0468

Old piece showing a cube of galena resting in a crystallization of beige dolomite. A second cleaved galena crystal is found at the bottom of the sample.It comes from the Joplin lead deposits in Missouri, USA.This mineral measures 7 cm wide by 4.7 cm high and 1.9 cm thick.Its weight is 74...

Discovery of February 2022 for these fabulous pieces of Stibiotantalite which all present a very nice size for their provenance! They are also extremely gems and most are associated with pink tourmaline. The pieces were analysed: (Sb0.78 Bi0.13)(Ta0.74 Nb0.18) O4 + presence of black...

8x5x4 cmReference : 0114

Skutterudite specimen with several shiny silver crystals, typical of Morocco. The crystals are on massive Skutterudite gangue. Beautiful quality of crystallization.3,40 x 2,40 x 2 cmReference : 1483

Rare, this is an old specimen of sky-blue serpierite crystallized in fine radiating rosettes covering the matrix.This specimen comes from the Chessy mine, located in the Auvergne-Rhône-Alpes region of France.This mineral measures 3.8 x 3.2 x 1.8 cm.The weight of this piece is 38 grams.Additional...

Black Opal 5.2 cts, blue is very powerful polishing is good.1,8 x 1,1 x 0,4 cm0026-AGNS

Very nice specimen well crystallized. Sold with acrylic base.2,70 x 1,70 cmReference : 0648

Octahedral crystals of intense red Cuprite associated with fibrous Malachite that gives a beautiful contrast to the piece. Very heavy piece, the back matrix is very iridescent, metallic, it is also very nice to look at. Superb quality for this specimen from the Mashamba West mine, DR Congo.11,40...

Chalcedony slice with a solid quartz core and a sawn geode of crystallized quartz.This piece comes from Bruère-Allichamps in Cher in France.It measures 9.6 cm long by 8.7 cm wide and 2.3 cm thick.Its weight is 298 grams.Additional photos and order online on the DGminéraux...

Iron Cross twin for this large specimen of Goethite pseudomorph after Pyrite. The Pyrite still appears on the edges in small golden touches. Beautiful shiny aspect due to the thin layer of Goethite that covers the Pyrite.5,40 x 4,90 x 4,80 cmReference : 1298

Rare specimen of shiny Olmiite crystals combined with fine white spray crystals of Bultfonteinite dotted all over the piece. Superb piece from the N Chwaning II mine in South Africa.5,60 x 3,10 x 1,10 cmReference : 3599

97 x 59 x 53 mm

Fluorite Crystals on purple crested barite tabular.4,5 x 4 x 2,4 cmReference : 0120

Duck green Rosasite crystals covered with Gypsum that gives this very shiny and icy appearance, all on well-formed Dolomite.14 x 9,70 x 7 cmReference : 3031