Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Derbylite: (Fe+++,Fe++,Ti)7Sb+++O13(OH)
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