Azurite and Malachite Pressed Chip Block - $75.00/lb
This pressed block of Azurite, Malachite material is made from chips of real secondary copper minerals. The banding of the malachite is visible on the small malachite chips.
These materials generally take a good polish with tin oxide or diamond, followed with green rouge (Zam is a brand name for green rouge). Mohs hardness 3.5 to 4.0 for Azurite and Malachite. The Shattuckite from Wickenburg is highly silicated and has a Mohs hardness closer to 5.5 to 6.