coral
Corals are ornaments of organic origin. They mainly consist of reefs, atolls, and coral reefs, with multiple forgiveness. However, only the upper ends are used as jewelery stones.
CORAL
Colour: red, pink, white, black, blue
Mohs hardness: 3.0-4.0
Density: 2.6-2.7
Transparency: penetrating, opaque
Fracture: irregular, splintered, brittle.
CORAL
Colour: red, pink, white, black, blue
Mohs hardness: 3.0-4.0
Density: 2.6-2.7
Transparency: penetrating, opaque
Fracture: irregular, splintered, brittle.