Sinhalite
Sinhalite | |
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General | |
Category | Mineral |
IMA symbol | Shl[1] |
Crystal system | Orthorhombic |
Identification | |
Mohs scale hardness | 6+1⁄2-7 |
Density | 3.475-3.5 |
Sinhalite is a borate mineral with formula MgAl(BO4).[2]
Sinhalite was first found in Sri Lanka (Ceylon) in 1952, and was named from Sinhala - the Sanskrit name for Sri Lanka.[3]
Gemstone quality Sinhalite can also be found in Madagascar, Tanzania and Myanmar (Burma). The most commonly seen color of Sinhalite are white to gray, grayish-blue or a shade of brown ranging from pale to dark. Pale pink and brownish pink crystals can be found in Tanzania.
References[]
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ "Sinhalite". Mindat.org.
- ^ "Sinhalite gemstone information". Gemdat.org. Retrieved 21 March 2019.
Categories:
- Aluminium minerals
- Magnesium minerals
- Orthorhombic minerals
- Mineral stubs