CHEMISTRY - CaCu(AsO4)(OH)
CRYSTALLOGRAPHY - Orthorhombic
CRYSTAL GROWTH AND HABITS - Crystals are commonly short prismatic; commonly forms botryoidal crusts or masses that have a fibrous growth.
COLOR AND OPTICAL PROPERTIES - Grass green to yellow green; Sub translucent.
HARDNESS - 4.5
SPECIFIC GRAVITY - 4.3
LUSTER - Vitreous
STREAK - Green
BREAKABILITY - Uneven fracture; brittle
OCCURRENCE - Conichalcite is a secondary mineral forming in the oxidized zone of copper deposits.
ASSOCIATED MINERALS - Limonite, Calcite, Azurite, Malachite, Brochantite, Austinite, Jaroite.
MINERAL NAME - From the Greek for powder and lime.