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Binghamite — specimen 0317, photo © NMNHS
Binghamite — specimen 0317, photo © NMNHS

Binghamite — specimen 0317

Origin

North America
USA, Minnesota, Crow Wing County, Cuyuna
Binghamite — specimen 0317, locality map
Data

Weight: 1.61 ct; size: 10.85 | 6.55 | 3.17 mm; shape: hexagon; colour: medium dark reddish orange; very slightly brownish; clarity: opaque; cut: excellent; treatment: none.
Notes

Clean specimen; design ‘Hexaelongatis Cab 1’, excellent cut by Tan Pen.

Other specimens
Binghamite — specimen 0332

More information from ‘Classification’

Binghamite

A variety of chalcedony with inclusions of goethite and/or hematite.


Gemmology — gemstones
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.