Malachite
What is Malachite?
Malachite is a copper carbonate hydroxide mineral known for its vibrant green color and intricate patterns. The stone is often banded in appearance, creating unique swirls and patterns that make each piece distinct. Malachite is primarily found in the Democratic Republic of Congo, Zambia, and Russia. It has been used for thousands of years in various forms, from jewelry to pigments for paint.
Malachite is a striking green mineral known for its unique banded patterns and rich, vibrant color. It’s a copper carbonate mineral and is often used in jewelry and decorative items. Its unique appearance and historical significance have made it a popular choice for gemstone enthusiasts and collectors alike.
| Chemical Classification | Inorganic - Carbonate |
| Color | Vibrant green with banded patterns. |
| Streak | White |
| Luster | Silky to vitreous. |
| Transparency | Opaque. |
| Occurrence | Democratic Republic of Congo, Russia, and Zambia. |
| Formation | Typically found in the oxidizing zones of copper deposits. |
| Diaphaneity | Opaque |
| Cleavage | Perfect in one direction |
| Mohs Hardness | 3.5-4. |
| Specific Gravity | Approximately 3.6 to 4.0. |
| Diagnostic Properties | Bright green color with banding. |
| Chemical Composition | Cu2CO3(OH)2 |
| Pleochroism | None, as it's opaque. |
| Crystal System | Monoclinic |
| Optical Properties | Biaxial (-) |
| Refractive Index | 1.655 - 1.909 |
| Birefringence | 0.022 |
| 2V angle | Measured: 68° |
| Dispersion | Not typically relevant for opaque stones like malachite. |