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Annabergite
Annabergite

Phenakite
Phenakite



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Annabergite
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Phenakite

Annabergite and Phenakite Physical Properties

Physical Properties

Tenacity

Sectile
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.072.90-2.98
1 7.18
👆🏻

Fracture

-
Conchoidal, ConchoidalWalter Schumann

Cleavage

Perfect on {010}, indistinct on {100} and {102}
Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

27.5-8
2 10
👆🏻

Chemical Composition

Ni3(AsO4)2•8(H2O)
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Annabergite and Phenakite Chemical Formula

While comparing Annabergite and Phenakite 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 Annabergite and Phenakite chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Annabergite and Phenakite Specific Gravity

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