Gahnite in bustamite one of the rarer members of the of the Spinel Group. It is named after Swedish chemist L. G. Gahn. This special sample was collected in New Jersey and comes to us from the Art Smith Collection. Old label included.
Dimensions (millimeters): 55 x 45 x 45
Dimensions (inches): 2.2 x 1.8 x 1.8
Origins: Franklin, New Jersey, USA
ZnAl2O4, an oxide in the spinel group
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