Description: Mine des Farges, 150 meter deep, Ussel, Corrèze France (1974) Specimen size: 8.6 × 8.1 × 3.7 cm = 3.4” × 3.2” × 1.5” Main crystal size: 1.1 × 1 cm = 0.4” × 0.4” Former Silvane collection Photo: http://www.fabreminerals.com/specimens/RSSLV-silvane-notable-specimens.php#AH52M4

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