Gahnite crystals
Collection
John Betts - Fine Minerals
Description
Two crude crystals of black Gahnite in greenish matrix. The specimen was extracted from solid rock, not from a cavity, resulting in minor surface imperfections where the surrounding matrix was removed. Collected in 1810.
Locality
Falu Gruva, Falun, Dalarna, Sweden.
Dimensions
4.0 x 3 x 1.5 cm.
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