Alleghanyite
Details
Species
Description
Alleghanyite is an exceptionally rare member of the humite group, and this specimen is unusually rich with gemmy brown microcrystals to 2 mm flatlaying along an approximately 3-cm vertical axis on this specimen. The matrix is a typical mix of franklinite/calcite/willemite and is highly fluorescent. 11 x 6.5 x 4 cm
Origin: Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
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Unknown owner
Unknown previous owners
Earth
Alleghanyite