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Oregon sunstone
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Oregon sunstone — specimen 0447, photo © NMNHS
Oregon sunstone
—
specimen 0447
Origin
North America
USA, Oregon
Data
Weight:
0.53 ct;
size:
6.03 | 4.12 | 2.88 mm;
shape:
octagon;
colour:
light reddish orange; very slightly brownish;
clarity:
eye clean;
cut:
good;
treatment:
none.
Notes
Very clean specimen; good step cut style. Source: Gary Eisenberg, Knoxville, Tennessee.
Other specimens
More information from ‘Classification’
Oregon sunstone
A feldspar with copper inclusions; has a composition of about 70% anorthite and 30% albite; occurs in Oregon, USA.
Gemmology — gemstones
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