Orthoclase and Phenakite Physical Properties

Orthoclase

Phenakite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.54-2.612.90-2.98

1 7.18

1.5 Fracture

Gems, Uneven

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

1.6 Cleavage

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

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

1.7 Mohs Hardness

67.5-8

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Orthoclase and Phenakite Chemical Formula

While comparing Orthoclase 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 Orthoclase and Phenakite chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Orthoclase Vs Phenakite

Orthoclase Vs Phosphophyllite

Orthoclase Vs Phosphosiderite

Orthoclase and Phenakite Specific Gravity

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