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Pectolite
Pectolite

Zoisite
Zoisite



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Pectolite
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Zoisite

Pectolite and Zoisite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.74-2.903.20-3.50
1 7.18
👆🏻

Fracture

Uneven, Splintery
Uneven, Conchoidal, Even

Cleavage

Perfect on {100} and {001}
Perfect {010} imperfect {100}

Mohs Hardness

4.5-56-7
2 10
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Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)

Pectolite and Zoisite Chemical Formula

While comparing Pectolite and Zoisite 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 Pectolite and Zoisite chemical formula.

  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
  • Chemical formula of Zoisite- Ca2Al3(SiO4)3(OH)

Pectolite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.