Jade and Staurolite Physical Properties

Jade

Staurolite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-3.383.7-3.8

1 7.18

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Fracture

Splintery

Subconchoidal, Conchoidal

Cleavage

1 or 2,2 prismatic.

Distinct on {010}

Mohs Hardness

6-77-7.5

2 10

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Chemical Composition

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

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Jade and Staurolite Chemical Formula

While comparing Jade and Staurolite 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 Staurolite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

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Jade Vs Rhodolite

Jade Vs Rubellite

Jade and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.