Welladura, Kahawatta, Ratnapura, Sri Lanka
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One Of world extremely Rarest Stone Natural Grandidierite

The one of world Extremely Rare stone, Natural Grandidierite, fine quality facet grade stone Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar. Mohs scale hardness: 7.5 Optical properties: Biaxial (-) Crystal system: OrthorhombicB Crystal class: Dipyramidal Refractive index: 1.583 - 1.639 Color: Bluish green

 

The one of world Extremely Rare stone, Natural Grandidierite, fine quality facet grade stone


Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar.

Optical properties: Biaxial (-)
Crystal system: OrthorhombicB
Crystal class: Dipyramidal
Refractive index: 1.583 – 1.639

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