Jade and Proustite Physical Properties

Jade

Proustite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.385.51-5.64

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

Distinct on {10 1 1}

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Jade and Proustite Chemical Formula

While comparing Jade and Proustite 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 Jade and Proustite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jade and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Proustite Optical Properties during the identification of gemstone. Specific gravity of Jade is 5.51-5.64 whereas that of Proustite is 5.51-5.64.