Shigaite and Nephrite Physical Properties

Shigaite

Nephrite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.90-3.10

1 7.18

1.5 Fracture

Flexible Flexible fragments.

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

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Nephrite Chemical Formula

While comparing Shigaite and Nephrite 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 Shigaite and Nephrite 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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Shigaite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.