Nephrite and Scapolite Physical Properties

Nephrite

Scapolite

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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

2.90-3.102.58-2.74

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

1.6 Cleavage

Not Available

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

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

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Nephrite and Scapolite Chemical Formula

While comparing Nephrite and Scapolite 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 Scapolite 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 Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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Nephrite and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.