Phenakite and Anhydrite Physical Properties

Phenakite

Anhydrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.982.90-2.98

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

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

1.7 Mohs Hardness

7.5-83.5

2 10

1.8 Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phenakite and Anhydrite Chemical Formula

While comparing Phenakite 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 Phenakite and Anhydrite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Colorless Gems

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Phenakite Vs Pyromorphite

Phenakite and Anhydrite Specific Gravity

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