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Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

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Agrinierite : K2(Ca,Sr)(UO2)3O3(OH)2 · 5H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Yellow crystalline coatings on quartz, 0.3 cm specimen, courtesy of Excalibur Mineral Company. S037-031
 © 2007, JGWPhoto ID: 139706    View Count: 458

Autunite : Ca(UO2)2(PO4)2·11H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

An aesthetic and excellent specimen of a band of lustrous, bright yellow autunite blades set on a contrasting granitic matrix from the classic French locality of the Margnac Mine, Razes, Haute-Vienne, Limousin, France. Comes with an old Bideaux Minerals label. Ex Richard Hauck Collection 4.8 x 4.6 x 1.8 cm
 © Rob LavinskyPhoto ID: 40497    View Count: 591

Autunite : Ca(UO2)2(PO4)2·11H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

The label from Bill and Carol Smith's collection shows them to have bought it 40 years ago in Paris - we have shot a pic of the French label from their purchase. The autunites are super-bright yellow crystals standing on edge, richly scattered across the matrix. 7.1 x 5.6 x 2.2 cm
 © Rob LavinskyPhoto ID: 65553    View Count: 297

Autunite : Ca(UO2)2(PO4)2·11H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Aggregates of laminar crystals on matrix.

Size: 4,1 x 4,2 x 3,5 cm. / main aggregate:0,5 x 0,4 x 0,2 cm.
 © CCURTO08Photo ID: 192700    View Count: 61

Multiple photos availableAutunite : Ca(UO2)2(PO4)2·11H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

11.3 x 9.3 x 2.0 cm. Bright, lustrous, canary-yellow autunite blades are festooned on this striking cabinet plate from a famous French locality - the Margnac Mine, Haute-Vienne. Classic material. Ex. R.C. Webster and Harvard Collections. Super fluorescence.
 © Rob LavinskyPhoto ID: 207491    View Count: 58

Billietite : Ba(UO2)6O4(OH)6 · 4-8H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Sample not crystallized with 5x3x3cm - March of 1998
 © Martins da PedraPhoto ID: 41237    View Count: 442

Compreignacite : K2(UO2)6O4(OH)6 · 7H2O, Agrinierite : K2(Ca,Sr)(UO2)3O3(OH)2 · 5H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Crystals of Compreignacite (yellow gemstones) on Agrinierite (orange) from the type locality
Photo: Vincent Bourgoin and Jean-Claude Boulliard with the association Jean Wyart
Collection: Vincent Bourgoin
Photo ID: 232668    View Count: 55

Compreignacite : K2(UO2)6O4(OH)6 · 7H2O, Uranophane : Ca(UO2)2[HSiO4]2 · 5H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Crystals of Compreignacite (yellow gemstones) on uranophane
Photo : Vincent Bourgoin and Jean-Claude Boulliard with the association Jean Wyart.
Collection : Vincent Bourgoin
Photo ID: 232667    View Count: 52

Rameauite : K2Ca(UO2)6(OH)16 · H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Rameauite crystals (red), EDS confirmed, from the type locality.
Photo : Vincent Bourgoin and Jean-Claude Boulliard with the Jean Wyart association.
Collection : Vincent Bourgoin
Photo ID: 237034    View Count: 41

Sabugalite : HAl(UO2)4(PO4)4·16H2O

Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

An extremely rare uranium phosphate, with crystals completely covering 4 of 6 sides and forming a solid specimen. This is very rich and colorful. 4.5 x 2.5 x 2 cm

 © Rob LavinskyPhoto ID: 38636    View Count: 551
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