Jade and Steatite Physical Properties

Jade

Steatite

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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

2.90-3.382.20-2.80

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Not Available

1.6 Cleavage

1 or 2,2 prismatic.

Not Available

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

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

Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Jade and Steatite Chemical Formula

While comparing Jade and Steatite 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 Steatite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Jade and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Steatite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.20-2.80 whereas that of Steatite is 2.20-2.80.