Sinhalite and Jade Physical Properties

Sinhalite

Jade

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.46-3.502.90-3.38

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Not Available

1 or 2,2 prismatic.

1.7 Mohs Hardness

6-76-7

2 10

1.8 Chemical Composition

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Sinhalite and Jade Chemical Formula

While comparing Sinhalite and Jade 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 Jade chemical formula.

Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Sinhalite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Jade Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 2.90-3.38 whereas that of Jade is 2.90-3.38.