Jade and Apophyllite Physical Properties

Jade

Apophyllite

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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

2.90-3.382.30-2.50

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on (001)

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Jade and Apophyllite Chemical Formula

While comparing Jade and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Jade and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.