The piece of rough from which this stone was faceted was mined about 40 years ago (circa 1976), and comes from the collection of Richard Kosnar, who had a strong presence in Brazil bringing back a large quantity of pegmatite minerals and gem material in the 1970s.
The piece of rough from which this stone was faceted was mined about 40 years ago (circa 1976), and comes from the collection of Richard Kosnar, who had a strong presence in Brazil bringing back a large quantity of pegmatite minerals and gem material in the 1970s.
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