Jade and Milk Opal Physical Properties

Jade

Milk Opal

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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

2.90-3.381.98-2.50

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal

1.6 Cleavage

1 or 2,2 prismatic.

Not Available

1.7 Mohs Hardness

6-75.5-6.5

2 10

1.8 Chemical Composition

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

Not Available

Jade and Milk Opal Chemical Formula

While comparing Jade and Milk Opal 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 Milk Opal chemical formula.

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

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Jade and Milk Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Milk Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Milk Opal Optical Properties during the identification of gemstone. Specific gravity of Jade is 1.98-2.50 whereas that of Milk Opal is 1.98-2.50.