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Pectolite
Pectolite

Anhydrite
Anhydrite



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Pectolite
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Anhydrite

Pectolite and Anhydrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.74-2.90
Uneven, Splintery
Perfect on {100} and {001}
4.5-5
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
 
Brittle
-
-
2.90-2.98
Conchoidal
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
3.5
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Pectolite and Anhydrite Chemical Formula

While comparing Pectolite and Anhydrite 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 Anhydrite chemical formula.

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Pectolite and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite Vs Anhydrite during the identification of gemstone. Specific gravity of Pectolite is whereas that of Anhydrite is .