Description

Lapis lazuli, often referred to as just ‘lapis’, has been used as a gemstone for thousands of years. It has been mined from Afghanistan since the early 7th millennium BC, and it was discovered in ancient burial sites throughout the Caucasus, the Mehrgarh and even as far as the Republic of Mauritania.

Crystal Structure : (Cubic) rare, dense aggregates
Color : Lazur blue
Hardness : 5.00 to 6.00
Refractive Index : 1.50 (approximate)
Density : 2.50 to 3.00
Cleavage : Indistinct
Transparency : Opaque

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