Anorthite and Jade Physical Properties

Anorthite

Jade

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.772.90-3.38

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Perfect [001] good [010] poor [110]

1 or 2,2 prismatic.

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Anorthite and Jade Chemical Formula

While comparing Anorthite 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 Anorthite and Jade chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Anorthite and Jade Specific Gravity

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