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Description
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Binghamite cab ~
Here is a cabochon of rare binghamite, from Minnesota. Closely related kin to tigereye and silkstone, binghamite is sometimes called 'American pietersite, though it typically exhibits a chatoyance all its own. Sadly, it's all but extinct nowadays, and I hear even the old mine dumps and tailings have been thoroughly depleted long ago. This cab features silky streaks and patches of golden yellow with red, splendidly chatoyant. The blackish areas are actually darkly shiny metallic hematite that don't show up well in the photos. An amazing example! It has a high rounded dome of 6mm, a sleek designer shape, and an excellent polish both front and back.
Size:51x21mm
Weight: approximately 42.5 carats
Price: Sold
Current gemstone offerings $
 Binghamite
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