Phenakite and Orthoclase Physical Properties

Phenakite

Orthoclase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.982.54-2.61

1 7.18

1.5 Fracture

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

Gems, Uneven

1.6 Cleavage

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

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

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

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

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

Phenakite and Orthoclase Chemical Formula

While comparing Phenakite and Orthoclase 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 Orthoclase chemical formula.

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

Compare Colorless Gems

Phenakite Vs Prase Opal

Phenakite Vs Pyromorphite

Phenakite Vs Quartz

Phenakite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.