Mineral: Rouxelite
Locality: Tunnel di Sant'Olga, Monte Arsiccio Mine, Sant'Anna (Sant'Anna di Stazzema), Apuan Alps, Stazzema Municipality, Lucca Province, Tuscany, Italy
Dimensions: 6 x 4 x 4.5 cm / main crystal: 1.0 cm

Description: Mass: 58 g MIM number:2035 Combination of the two rare sulfosalts robinsonite and rouxelite on the same piece of matrix. The robinsonite is in the form of a tuft of hairy crystals at the tip of the matrix, but also in the form of very small rings (1 mm at most) in the center of the matrix. The rouxelite is in the form of acicular black crystals in parallel formation. Photographer: AINU / Augustin de Valence Ex collection: Stefano Magnanelli (Italie)

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