Diaspore and Phenakite Physical Properties

Diaspore

Phenakite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.90-2.98

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Phenakite Chemical Formula

While comparing Diaspore 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 Diaspore and Phenakite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Phenakite Specific Gravity

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