Sinhalite

Sinhalite is a borate mineral with formula MgAl(BO4).[1]

Sinhalite
General
CategoryMineral
Crystal systemOrthorhombic
Identification
Mohs scale hardness6 12-7
Density3.475-3.5

Sinhalite was first found in Sri Lanka (Ceylon) in 1952, and was named from Sinhala - the Sanskrit name for Sri Lanka.[2]

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

  1. "Sinhalite". Mindat.org.
  2. "Sinhalite gemstone information". Gemdat.org. Retrieved 21 March 2019.
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