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RM2990   Alumohydrocalcite and siderite

Mas Dieu, Mercoirol, Laval-Pradel, Gard, Occitània, France

Globular and radial aggregates of alumohydrocalcite crystals, white to cream in color and with a silky luster. They contrast on the brown siderite. They come from this classic French mine, nowadays partially restored.


Size: 4.4 x 4.1 x 1.4 cm.



 

RM2711   Goethite crystals

Mont-Roc mine, Mont-Roc, Castras, Occitània, France

Goethite specimen from this classic French mine, now closed and partially restored, which shows druses of goethite small crystals, defined and very, very bright. Under loupe is incredible. The sparkles of the crystals in the light are spectacular. The specimen was analyzed by Raman spectroscopy to confirm the species.


Size: 6 x 6 x 5 cm.

Classic locality


 

RM2712   Goethite crystals

Mont-Roc mine, Mont-Roc, Castras, Occitània, France

Goethite specimen from this classic French mine, now closed and partially restored, which shows druses of goethite small crystals, defined and very, very bright. Under loupe is incredible. The sparkles of the crystals in the light are spectacular. The specimen was analyzed by Raman spectroscopy to confirm the species.


Size: 9.8 x 7 x 5.6 cm.

Classic locality


 

RM2684   Bournonite, galena, pyrite and baryte

La Sanguinede mine, Les Malines, Gard, Occitània, France

These tspecimens from Les Malines are very rare today. Twinned aggregates of bournonite crystals, partially covered by cube octahedral galena, pyrite and sphalerite. They are disposed on a matrix of baryte crystals. These are classics of the largest deposit of lead and zinc in France, whose exploitation dates back to Roman times.


Size: 5.6 x 4.5 x 3.8 cm.
Main crystal: 1.5 cm. aggr.
Found in ± 1974.

Col. Joan Astor (Barcelona).
Classic locality


Price: 65 €Buy
 
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