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Pectolite
Pectolite

Sardonyx
Sardonyx



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Pectolite
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Sardonyx

Pectolite and Sardonyx Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.74-2.902.55-2.70
1 7.18
👆🏻

Fracture

Uneven, Splintery
-

Cleavage

Perfect on {100} and {001}
None

Mohs Hardness

4.5-56.5-7
2 10
👆🏻

Chemical Composition

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

Pectolite and Sardonyx Chemical Formula

While comparing Pectolite and Sardonyx 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 Sardonyx chemical formula.

  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Pectolite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.