Jade and Rosasite Physical Properties

Jade

Rosasite

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Physical Properties

Tenacity

Brittle

Solubility

Effervesces in cold

Durability

Specific Gravity

2.90-3.384-4.2

1 7.18

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Fracture

Splintery

Cleavage

1 or 2,2 prismatic.

Perfect on {100} and {010}

Mohs Hardness

6-74

2 10

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Chemical Composition

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

CuZn(CO3)(OH)2

Jade and Rosasite Chemical Formula

While comparing Jade and Rosasite 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 Rosasite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Rosasite- CuZn(CO3)(OH)2

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Jade and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4-4.2 whereas that of Rosasite is 4-4.2.