Jade and Moldavite Physical Properties

Jade

Moldavite

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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

2.90-3.382.32-2.38

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

1 or 2,2 prismatic.

Not Available

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Jade and Moldavite Chemical Formula

While comparing Jade and Moldavite 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 Moldavite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Jade and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.