Periclase and Phenakite Physical Properties

Periclase

Phenakite

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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

3.7-3.92.90-2.98

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

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

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Phenakite Chemical Formula

While comparing Periclase 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 Periclase and Phenakite chemical formula.

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

Compare Gems Found In Australia

Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase Vs Scheelite

Periclase and Phenakite Specific Gravity

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