Phenakite and Pectolite Physical Properties

Phenakite

Pectolite

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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

2.90-2.982.74-2.90

1 7.18

1.5 Fracture

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

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {001}

1.7 Mohs Hardness

7.5-84.5-5

2 10

1.8 Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Phenakite and Pectolite Chemical Formula

While comparing Phenakite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Compare Colorless Gems

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Phenakite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.