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Mottramite
Mottramite

Pectolite
Pectolite



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Mottramite
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Pectolite

Mottramite and Pectolite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.74-2.90
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven, Splintery

Cleavage

None observed
Perfect on {100} and {001}

Mohs Hardness

34.5-5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Mottramite and Pectolite Chemical Formula

While comparing Mottramite 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 Mottramite and Pectolite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Mottramite and Pectolite Specific Gravity

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