Malachite — specimen 0625, photo © NMNHS

Malachite — specimen 0625

Origin

East Africa

Madagascar

Data

Weight: 4.05 ct; size: 9.64 | 8.21 | 6.32 mm; shape: oval; colour: medium dark very slightly bluish green; very slightly greyish; clarity: opaque; cut: fair; treatment: none.

Notes

Clean specimen; mixed style cut.

Other specimens

More information from ‘Classification’

Malachite

A common secondary mineral formed in the oxidation zone of copper deposits; locally may be an ore of copper (Anthony et al., 2001—2005).