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These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: Small black crystals of derbylite in matrix.
Location: Buca della Vena Mine, Stazzema (Ponte Stazzemese), Versilia, Apuan Alps, Lucca Province, Tuscany, Italy.
Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag