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Orthoclase — specimen 0352, photo © NMNHS
Orthoclase — specimen 0352, photo © NMNHS

Orthoclasespecimen 0352


East Africa
Orthoclase — specimen 0352, locality map

Weight: 0.94 ct; size: 6.44 | 6.44 | 4.70 mm; shape: octagon; colour: light yellow; very slightly brownish; clarity: eye clean; cut: excellent; treatment: none.

Very clean specimen; design ‘Eight’ [pavilion angle changed to 44.00] by Glenn & Martha Vargas, excellent cut by Tan Pen.

Other specimens
Orthoclase — specimen 0259Orthoclase — specimen 0478

More information from ‘Classification’

A common feldspar of granites, granite pegmatites, and syenites; in cavities in basalts; in metamorphic rocks (Anthony et al., 2001—2005).