Microline Manebach Twins from Sao Jose da Safira


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This microline is from Soa Jose da Safira in Minas Gerais, Brazil. This area is in the Aimores Pegmatite District and contains several mines that mine primarily for the recovery of gemstones and mineral specimens with other accessory minerals including feldspar. Microline is a variety of feldspar.It is a silicate and contains the elements K, Al, Si and O. This specimen consists of a cluster of microline crystals with minor mica crystals attached. The microlines display are manebach-law twinning. They are well defined with crisp edges, faces and corners. The crystals are exposed on all sides with small attachment points at the rear. This piece measures 2 x 2 x 1 1/2 inches or 50 x 50 x 39 mm

Additional information

Weight 10 oz