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Andesine — specimen 0278, photo © NMNHS
Andesine — specimen 0278, photo © NMNHS

Andesinespecimen 0278


no precise locality [Africa]

Weight: 0.76 ct; size: 8.74 | 5.73 | 3.10 mm; shape: hexagon; colour: light yellow; strong; clarity: eye clean; cut: very good; treatment: none.

Very clean specimen; design ‘Hexaelongatis 35-35’, very good cut by Tan Pen.

Other specimens
Andesine — specimen 0305Andesine — specimen 0306Andesine — specimen 0129Andesine — specimen 0410Andesine — specimen 0331Andesine — specimen 0320Andesine — specimen 0726Andesine — specimen 0727Andesine — specimen 0267Andesine — specimen 0342Andesine — specimen 0345Andesine — specimen 0349

More information from ‘Classification’

A variety of albite; plagioclase feldspar with an albite:anorthite molar ratio ranging from 50:50 to 70:30.