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Lawsonite
Lawsonite

Pectolite
Pectolite



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Lawsonite
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Pectolite

Lawsonite and Pectolite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.092.74-2.90
1 7.18
👆🏻

Fracture

Uneven
Uneven, Splintery

Cleavage

Perfect on {100} and {010}, imperfect on {101}
Perfect on {100} and {001}

Mohs Hardness

84.5-5
2 10
👆🏻

Chemical Composition

CaAl2Si2O7(OH)2.H2O
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Lawsonite and Pectolite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Pectolite chemical formula.

  • Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O
  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Lawsonite and Pectolite Specific Gravity

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