Nephrite and Pyrope Almandine Physical Properties

Nephrite

Pyrope Almandine

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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

2.90-3.103.62-4.20

1 7.18

1.5 Fracture

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

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Nephrite and Pyrope Almandine Chemical Formula

While comparing Nephrite and Pyrope Almandine 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 Pyrope Almandine chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Nephrite and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.