Vesuvianite Idocrase and Anhydrite Physical Properties

Vesuvianite Idocrase

Anhydrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.502.90-2.98

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Vesuvianite Idocrase and Anhydrite Chemical Formula

While comparing Vesuvianite Idocrase and Anhydrite 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 Idocrase and Anhydrite chemical formula.

Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Vesuvianite Idocrase and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite Idocrase and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite Idocrase and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite Idocrase is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.