A piece of blue to pale blue chalcedony featuring a cavity lined with fine, sparkling quartz crystals.This specimen was found in Brazil.It measures 6.6 x 4.6 x 4.1 cm.The specimen weighs 102 grams.Additional photos and online ordering available on the DGminéraux...
An aggregate of lilac-pink to brownish-pink lepidolite crystals, featuring finely striated surfaces and forming a cluster.This specimen originates from the Mika pegmatite in Gorno-Badakhshan, Tajikistan.Its dimensions are 6.1 x 4.3 x 3.5 cm.The specimen weighs 88 grams.(Measurements exclude the...
A specimen of calcite featuring numerous scalenohedral crystals with well-defined terminations, distributed across a dark matrix.It was collected in Irai, in the state of Rio Grande do Sul, Brazil.Its dimensions are 11.5 x 6 x 2.7 cm.The specimen weighs 98 grams.Additional photos and online...
A large gypsum specimen for this locality, retaining the grey hue of the marl in which it formed.This piece comes from Sinard, Isère, France.Dimensions: 14.7 x 7.9 x 3.8 cmThe specimen weighs 205 grams.Additional photos and online ordering available on the DGminéraux...
A beautiful, airy specimen featuring slender, orange-yellow quartz crystals growing on crystallized siderite.This piece comes from the Mésage mine in Saint-Pierre-de-Mésage, Isère, France.The specimen measures 6.6 x 2.9 x 2.5 cm.It weighs 45 grams.Additional photos and online ordering available...
A lovely plate covered with numerous transparent, lustrous, and terminated quartz crystals.This specimen was found at the La Mure mine in Isère, France.Its dimensions are 6.1 x 3.2 x 2.3 cm.The specimen weighs 56 grams.Additional photos and online ordering available on the DGminéraux...
A rare, old specimen featuring clusters of black berthierite with bluish iridescence, alongside calcite crystals blackened by boulangerite inclusions.This piece was discovered at the Herja mine in the Chiuzbaia region of Baia Mare, Romania.The specimen measures 8.8 x 6.7 x 4.9 cm.It weighs 305...
An aesthetic and classic sandstone pseudomorph after calcite, featuring crystals across the entire specimen.This mineral originates from the Cabrerets area in the Lot region of Occitanie, France.It measures 4.9 x 4.4 x 4.4 cm.The specimen weighs 117 grams.Additional photos and online ordering...
An assemblage of tabular siderite crystals ranging from honey-brown to golden-brown, forming a dense, visually appealing cluster.This specimen comes from the Mésage mine in Saint-Pierre-de-Mésage, Isère, France.Dimensions: 5.6 x 5.6 x 3.2 cmThe specimen weighs 132 grams.Additional photos and...
An association of white calcite crystals on a matrix rich in dark barite, featuring numerous pyrite inclusions.Specimen from Oumjrane, a mineralogical site located in the Drâa-Tafilalet region of Morocco.It measures 9.3 x 4.6 x 4.2 cm.The specimen weighs 231 grams.Additional photos and online...
A cluster of translucent, yellow cubic fluorite crystals featuring slightly pitted faces and edges that are sometimes slightly rounded.It was collected at the Moscona Mine in the Asturias region of Spain.Its dimensions are 7.8 x 5.5 x 3.4 cm.The specimen weighs 146 grams.Additional photos and...
An aesthetic combination of black aegirine and white orthoclase crystals, accompanied by small zircon crystals.This specimen originates from Mount Malosa, located in the Zomba region of Malawi.The mineral measures 7.1 x 5.2 x 3.9 cm.The specimen weighs 135 grams.Additional photos and online...
Phantom-core quartz composed of several prismatic crystals with well-developed terminations, featuring a particularly visible growth core within the main crystal.This specimen was found in Tole, in the Waziristan region of Pakistan.Its dimensions are 5.5 x 2.3 x 0.6 cm.(Measurements exclude the...
A fine association of dark brown enstatite crystals featuring stubby prismatic forms, distinct longitudinal striations, and translucent zones.This specimen originates from Kilosa, in the Morogoro region of Tanzania.Its dimensions are 1.6 x 1.4 x 0.8 cm.(Measurements exclude the base)Additional...
Raw specimen of antimony in quartz, showing metallic-looking cleavage.This mineral was discovered at La Viñuela, Andalusia, Spain.The specimen measures 3.8 x 2.4 x 2.1 cm.The weight of this specimen is 37 grams.(Mineral not mounted on a stand)Additional photos and online ordering available on the...
Epidote featuring olive-green, acicular crystals that form radiating aggregates. It is accompanied by translucent quartz crystals.Specimen from Le Cornillon, a mineralogical site located in Bourg-d'Oisans, Isère, France.It measures 7.3 x 4.3 x 3.8 cm.The specimen weighs 131 grams.Additional...
An interesting azurite specimen featuring fibrous malachite and cuprite crystals pseudomorphed into malachite.This mineral comes from the Chessy mine, located in the Villefranche-sur-Saône region of France.Its dimensions are 5.5 x 3.4 x 4 cm.The piece weighs 83 grams.(Measurements exclude the...
A beautiful, translucent fluorite specimen with beige and pale violet hues, forming a cubic crystal with faces marked by zoning and fine growth striations.It was collected at the Denton Mine in Hardin County, Illinois, USA.This specimen measures 6.8 x 5.1 x 3.5 cm.The piece weighs 118...
Green prehnite featuring well-developed crystals with a "helmet-like" habit, a fine vitreous luster, and a striking contrast against the dark matrix.It was collected in the Combe de la Selle, in the Bourg d'Oisans area of Isère, France.Its dimensions are 5.8 x 4 x 2.8 cm.The specimen weighs 73...
Bright green annabergite in crystalline aggregates, accompanied by white calcite crystals, within the cavities of a matrix rich in iron and copper oxides.This specimen comes from the Km 3 open-pit mine, located in the Attica region of Greece.Dimensions: 7.7 x 4.8 x 3.5 cmThe weight of this...
Native copper with irregular, branching forms, featuring pronounced relief and an interplay of copper tones and bluish oxidized areas.This specimen originates from the Keweenaw Peninsula in Michigan, USA.Its dimensions are 8.2 x 5 x 2.3 cm.The weight of this copper specimen is 92...
Azurite specimen consisting of a compact aggregate of deep blue tabular crystals with well-developed faces and high luster.This fine piece comes from the Chessy mine, located in the Rhône department of France.It measures 5.1 x 4 x 2.8 cm.The weight of this azurite is 80 grams.(Measurements...
A smoky quartz specimen featuring several well-formed crystals; it makes for a lovely display piece, despite some minor imperfections along the edges.It was collected in Yunxian, in the Fujian region of China.This specimen measures 8.2 x 6.3 x 5.3 cm.The piece weighs 250 grams.Additional photos...
Apophyllite composed of numerous translucent white crystals, with delicate pale green areas and a beautiful bouquet-like arrangement.Coin from Pune, state of Maharashtra in India.This sample has dimensions of 7.9 x 4.5 x 3.5 cm.The weight of this piece is 43 grams.(Measures outside the...
