Rings ~ Oval Blue Moonstone Ring 925 Sterling Silver 5.5
Oval Blue Moonstone Ring 925 Sterling Silver 5.5
Moonstone is a variety of the feldspar-group mineral orthoclase. It's composed of two feldspar minerals, orthoclase and albite.
Material: Blue Moonstone, Sterling Silver 925 size 5.5
Facts
- Mineral: Feldspar.
- Chemistry: KAlSi3O8
- Color: Colorless to White, Gray, Green, Peach, Brown.
- Refractive index: 1.518 to 1.526.
- Birefringence: 0.05 to 0.008.
- Specific gravity: 2.58.
- Mohs Hardness: 6.0 to 6.5.
Measurements: Band width 2mm