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Prehnite — specimen 0160, photo © NMNHS
Prehnite — specimen 0160, photo © NMNHS

Prehnite — specimen 0160

Origin

Southern Africa
South Africa
Prehnite — specimen 0160, locality map
Data

Weight: 1.78 ct; size: 9.11 | 6.89 | 4.35 mm; shape: pear; colour: light yellowish green; very slightly greyish; clarity: translucent; cut: fair; treatment: none.
Notes

Clean specimen; cabochon style cut.

Other specimens
Prehnite — specimen 0108Prehnite — specimen 0109Prehnite — specimen 0309Prehnite — specimen 0090Prehnite — specimen 0540

More information from ‘Classification’

Prehnite

A secondary or hydrothermal mineral in veins and cavities in mafic volcanic rocks; less commonly in granite, gneiss or syenite (Anthony et al., 2001—2005).


Gemmology — gemstones
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