Phenakite and Caledonite Physical Properties

Phenakite

Caledonite

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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

2.90-2.985.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

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

[001] perfect; [100] distinct

1.7 Mohs Hardness

7.5-82.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Phenakite and Caledonite Chemical Formula

While comparing Phenakite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Colorless Gems

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Phenakite Vs Pyromorphite

Phenakite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.