Vesuvianite and Scapolite Physical Properties

Vesuvianite

Scapolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.32-3.432.58-2.74

1 7.18

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Fracture

Conchoidal

ConchoidalWalter Schumann, Splintery

Cleavage

Poor on {110} and {100} very poor on {001}

{100} Distinct, {110} Distinct

Mohs Hardness

6-75.5-6

2 10

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Chemical Composition

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

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

Vesuvianite and Scapolite Chemical Formula

While comparing Vesuvianite 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 Vesuvianite and Scapolite chemical formula.

Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
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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Vesuvianite and Scapolite Specific Gravity

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