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.
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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. |