Oregon sunstone — specimen 0723, photo © NMNHS

Oregon sunstone — specimen 0723

Origin

North America

USA, Oregon

Oregon sunstone — specimen 0723, locality map

Data

Weight: 0.15 ct; size: 3.62 | 3.16 | 2.55 mm; shape: hexagon; colour: light reddish orange; very slightly brownish; clarity: eye clean; cut: excellent; treatment: none.

Notes

Very clean specimen; design ‘Hexamixtum S 41-32’ [pavilion angle changed to 45.00], excellent cut by Tan Pen.

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.