Verdite and Anhydrite Physical Properties

Verdite

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

2.80-3.02.90-2.98

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

33.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Anhydrite Chemical Formula

While comparing Verdite 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 Verdite and Anhydrite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

Verdite Vs Zircon

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite and Anhydrite Specific Gravity

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