Sylvite and Jade Physical Properties

Sylvite

Jade

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.90-3.38

1 7.18

1.5 Fracture

Uneven, Brittle

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Perfect on [100], [010], [001]

1 or 2,2 prismatic.

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Jade Chemical Formula

While comparing Sylvite 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 Sylvite and Jade chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Sylvite and Jade Specific Gravity

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