pseudomalachite
Mineralogy
noun
A mineral resembling malachite that typically occurs as botryoidal masses and fibrous aggregates of dark green translucent crystals and is a secondary mineral found in oxidized zones of copper ore deposits.
- Pseudomalachite is a phosphate and hydroxide of copper, Cu5(PO4)2(OH)4. Crystal system: monoclinic..
Origin
Mid 19th century; earliest use found in Charles Shepard (1804–1886). After German Pseudomalachit.