Wax Opal and Anhydrite Physical Properties

Wax Opal

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

1.98-2.502.90-2.98

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

5.5-6.53.5

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Wax Opal and Anhydrite Chemical Formula

While comparing Wax Opal 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 Wax Opal and Anhydrite chemical formula.

Chemical formula of Wax Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Wax Opal and Anhydrite Specific Gravity

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