A unique and very rare natural mineral pigment (currently very difficult to find).
Alternative names: Emerald green to bluish-green copper cyclosilicate mineral
• Chemical name: Copper silicate
• Formula: Cu6Si6O18•6H2O
• Color index: Green pigment 39
• Moderately toxic (care should be taken when handling the dry pigment powder)
• Suitable for: Acrylics, Lime/Fresco, Ceramics, Oil, Tempera, Watercolor/Gouache
An emerald green copper silicate, found in copper deposits along with malachite. This dioptase comes from the Congo.
Grounded to 0-20 microns.