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Nephrite
Nephrite

Phlogopite
Phlogopite



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Nephrite
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Phlogopite

Nephrite and Phlogopite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Tough
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.102.78-2.85
Amber
1 7.18
1.5 Fracture
Splintery, Granular, Splintery, Granular, Gemstones (2009)
None, Uneven
1.6 Cleavage
Not Available
Perfect basal (001)
1.7 Mohs Hardness
6-6.52-2.5
Amber
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 Phlogopite Chemical Formula

While comparing Nephrite and Phlogopite 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 Phlogopite 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 Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.