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Pectolite
Pectolite

Bustamite
Bustamite



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Pectolite
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Bustamite

Pectolite and Bustamite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

2.74-2.903.32-3.43
1 7.18
👆🏻

Fracture

Uneven, Splintery
Conchoidal

Cleavage

Perfect on {100} and {001}
{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

4.5-55.5-6
2 10
👆🏻

Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pectolite and Bustamite Chemical Formula

While comparing Pectolite and Bustamite 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 Bustamite chemical formula.

  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pectolite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.