Reddish-Black Manganotantalite Crystals
Collection
John Betts - Fine Minerals
Description
Reddish-black Manganotantalite crystals up 4 mm in chain-like formation running though matrix at the joint between Muscovite and Albite. Good crystals of this rare mineral. Ex. R. D. O'Donnell collection #B-41.
Locality
Black Mountain, Rumford, Oxford County, Maine
Dimensions
3.0 x 3.0 x 2.5 cm.
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