Spessartine Crystal
Spessartine
Formula: Mn₃Al₂Si₃O₁₂
System: Isometric
Colour: Red, reddish orange, ...
Lustre: Vitreous
Hardness: 6½ - 7½
Spessartine, like other garnets, possesses high refractive index and hardness, making it suitable for use as a gemstone. However, its transparency and clarity can vary, with larger, gem-quality stones being relatively rare. Additionally, unlike some other garnets like pyrope and almandine, Spessartine often lacks strong dispersion (fire), potentially affecting its brilliance.
From from East Grants Ridge, New Mexico, USA Photo by: © Tóth László |
System: Isometric
Colour: Red, reddish orange, ...
Lustre: Vitreous
Hardness: 6½ - 7½