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Pectolite
Pectolite

Purpurite
Purpurite



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Pectolite
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Purpurite

Pectolite and Purpurite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.74-2.90
Uneven, Splintery
Perfect on {100} and {001}
4.5-5
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Pectolite and Purpurite Chemical Formula

While comparing Pectolite and Purpurite 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 Purpurite chemical formula.

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Pectolite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite Vs Purpurite during the identification of gemstone. Specific gravity of Pectolite is whereas that of Purpurite is .