Rare Malachite with Quartz Crystal from the republic of Congo.
Weight: 1640 grams
Size: 254 x 154 x 90mm
Malachite is a green copper carbonate mineral.
It is part of the monolithic crystal system and has a silky luster. Malachite is often used as an ore of copper. It has an opaque transparency and sometimes has a patterned surface. Malachite is a rich shade of green and its meaning is transformation and positive change.
Malachite is a copper carbonate hydroxide mineral, with the formula Cu₂CO₃(OH)₂. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, … Wikipedia
Color: Green
Luster: Silky
Crystal system: Monoclinic crystal system
Chemical formula: Cu₂CO₃(OH)₂
Hardness (Mohs hardness scale): 3.5 – 4
Transparency: Opaque
Twinning: Common as contact or penetration twins on, and. Polysynthetic twinning also present
