Collection mineral

Helmet of prehnite, a classic for the species and alpine mineralogy.
It comes from La Combe de la Selle, St Christophe-en-Oisans, Bourg d'Oisans, Isère, Auvergne-Rhône-Alpes, France.
This sample measures 2.9cm long by 2.3cm wide and 1.8cm thick.
Measurements without base.

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Piece smithsonite translucent with rhombohedral crystals on matrix
Specimen from the Tsumeb mine, Oshikoto Region, Namibia.
It measures 3.7 cm high by 3.7 cm wide and 3.1 cm thick.
Its weight is 52 grams.
(Measurements excluding base)

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Rarely offered, sample of native lead in the form of a partially tarnished sheet resting on a matrix of epidotite (rock formed almost entirely of crystallized epidote).
This piece comes from the Garpenberg Norra (north) Mine, Garpenberg, Hedemora, Dalarna County, Sweden.
It measures 2.7 cm long by 1.6 cm wide and 1.5 cm thick.

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Piece presenting a pink matrix of rhodochrosite topped with calcite finely crystallized white, then crystals of tetrahedrites measuring up to 8 mm.
It comes from the Boldut mine, Cavnic, Maramures, Romania.
Specimen measuring 7 cm long by 4.2 cm wide and 4.1 cm thick.
Its weight is 191 grams.

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Natural presentation for this quartz carried by sphalerite var. cleophane.
Typical piece from the Madan mining sector, Smolyan province, Bulgaria.
It measures 7.4 cm long by 4 cm high and 2.8 cm thick.
Its weight is 72 grams.

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A classic of French mineralogy, with this hematite in sheets on red jasper.
This specimen comes from Saphoz, Esmoulières, Lure, Haute-Saône, Bourgogne-Franche-Comté, France.
It measures 10 cm long by 4.7 cm wide and 2.5 cm at its thickest.
Its weight is 197 grams.

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Piece of sphalerite, in mamelon formation, very shiny appearance.
The matrix is in raw sphalerite with inclusions of pyrite or chalcopyrite.
This sample from an old collection comes from Romania, certainly from the Boldut mine, Cavnic.
It measures 10.1 cm long by 5.3 cm high and 3.4 cm thick.
Its weight is 283 grams.

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Aesthetic presentation for this piece of quartz topped with needles of manganite.
This specimen measures 8.1 cm wide by 6.5 cm high and 5.1 cm thick.
It comes from the Imini mine, Province of Ouarzazate, Drâa-Tafilalet Region, Morocco.
Its weight is 207 grams.

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Prehnite with lamellar crystals, well formed, shiny and light green in color.
It comes from Djebel Melh, Figuig in Morocco.
This piece measures 4.8 cm wide by 2.7 cm high and 3.4 cm at its widest.
(measurements excluding base)

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Crystal of green tourmaline of the trigonal type with a flat termination.
It comes from Madagascar, with no specific deposit known for this piece.
This tourmaline measures 3.8 cm high for 1.4 cm thick.
Its weight is 13 grams.
(measurements excluding base)

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Aesthetic Brown smithsonite from the Tsumeb mine, Oshikoto, Namibia.
It measures 4.4 cm high by 3.2 cm wide and 3 cm thick.
Its weight is 24 grams.

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Pyrite Crystals partially covered withhematite.
This floating specimen comes from the island of Elba, Tuscany, Italy.
It measures 4.5 cm wide, main crystal size, for 4 cm high and 3.7 cm thick.
This pyrite weighs 142 grams.

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Original small calcite in the shape of a flower.
Green in color, it carries a on shiny crystallization of an unidentified mineral.
It comes from Huanggang, Inner Mongolia, China.
Weighing 31 grams, it measures 4 cm in diameter.

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Specimen of quartz from the kaolin quarry of Ploemeur, Morbihan, France.
Aesthetic group of about ten points.
This piece measures 12.5 cm long by 7.2 cm at its widest.
Its weight is 567 grams.
Mineral typical of the sector from an old collection.

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Specimen from the Kosovo, from the Trepca mine.
It presents quartz in association with calcite.
This mineral measures 9 cm long by 7 cm wide.
Its weight is 133 grams.

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Group of stilbite crystals coming from Maharashtra in India.
This specimen is peach in color.
It weighs 374 grams and measures 7cm long by 7cm wide and 7cm high.
Note a few small traces of shocks of a few millimeters.
This mineral remains of good quality despite everything.