Nephrite and Shigaite Physical Properties

Nephrite

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.102.32

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

Flexible Flexible fragments.

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

6-6.52

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Not Available

Nephrite and Shigaite Chemical Formula

While comparing Nephrite and Shigaite 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 Nephrite and Shigaite chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Nephrite and Shigaite Specific Gravity

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