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RM2061   Tremolite with actinolite and calcite

Cala mines, Cala, Huelva, Andalucía, Spain

Fibrous aggregate of tremolite crystals, very brilliant and with an olive green colour. They are accompanied by prismatic crystals of darker green actinolite and orange calcite. Good size and representative for the locality and the species. The Manuel-Mercedes open pit is embedded in the granitic intrusions that were accompanied by contact metamorphism and gave rise to the formation of the skarn, with important deposits of magnetite.

Size: 8.5 x 7 x 5.2 cm.