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Sinhalite
Sinhalite

Riebeckite
Riebeckite



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Sinhalite
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Riebeckite

Sinhalite and Riebeckite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.46-3.503.28-3.44
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Splintery

Cleavage

Perfect
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Mohs Hardness

6-75.0-6.0
2 10
👆🏻

Chemical Composition

MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2

Sinhalite and Riebeckite Chemical Formula

While comparing Sinhalite and Riebeckite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sinhalite and Riebeckite chemical formula.

  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2

Sinhalite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.