Anhydrite and Vesuvianite Idocrase Physical Properties

Anhydrite

Vesuvianite Idocrase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.983.25-3.50

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5Not Available

2 10

1.8 Chemical Composition

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

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

Anhydrite and Vesuvianite Idocrase Chemical Formula

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

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

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Anhydrite and Vesuvianite Idocrase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Vesuvianite Idocrase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Vesuvianite Idocrase Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 3.25-3.50 whereas that of Vesuvianite Idocrase is 3.25-3.50.