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Periclase
Periclase

Nephrite
Nephrite



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Periclase
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Nephrite

Periclase and Nephrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.7-3.9
Conchoidal
{001} perfect; {111} imperfect, may exhibit parting on , {011}
5.5-6
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Periclase and Nephrite Chemical Formula

While comparing Periclase 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 Periclase and Nephrite chemical formula.

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Periclase and Nephrite Specific Gravity

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