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Brookite
Brookite

Pectolite
Pectolite



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Brookite
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Pectolite

Brookite and Pectolite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.87-4.142.74-2.90
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven, Splintery

Cleavage

Poor on {120}, in traces on {001}
Perfect on {100} and {001}

Mohs Hardness

5.5-64.5-5
2 10
👆🏻

Chemical Composition

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

Brookite and Pectolite Chemical Formula

While comparing Brookite 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 Brookite and Pectolite chemical formula.

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

Brookite and Pectolite Specific Gravity

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