Angelite
What is Angelite?
Angelite is a form of anhydrite, notable for its blue color. It’s primarily found in Peru, Britain, and Poland. Angelite is often used as a gemstone and is popular for its unique blue color and its spiritual significance.
Angelite is a unique gemstone that comes in shades of blue, often with white or grey inclusions. Its unique appearance and color make it a popular choice for jewelry and decorative items, especially beads and pendants.
Chemical Classification | Inorganic - Sulfate |
Color | Soft blue, sometimes with white or grey inclusions. |
Streak | White |
Luster | Vitreous to pearly. |
Transparency | Translucent to opaque. |
Occurrence | Peru, Britain, and Germany. |
Formation | Formed from the compression of celestite over millions of years. |
Diaphaneity | Translucent to opaque |
Cleavage | None |
Mohs Hardness | 3.5 |
Specific Gravity | 2.9 - 3.0 |
Diagnostic Properties | Light blue, derived from anhydrite. |
Chemical Composition | CaSO4 |
Pleochroism | Not observed in angelite. |
Crystal System | Orthorhombic (variety of Anhydrite) |
Optical Properties | Biaxial (+) |
Refractive Index | 1.529 |
Birefringence | 0.009 |
2V angle | Measured: 58° |
Dispersion | Not typically noted for its dispersion. |