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Calcite
Calcite

Pectolite
Pectolite



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Calcite
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Calcite and Pectolite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.67-2.73
2.74-2.90
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Gemstones (2009), Splintery
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
Perfect on {100} and {001}
1.7 Mohs Hardness
3
4.5-5
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Calcite and Pectolite Chemical Formula

While comparing Calcite 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 Calcite and Pectolite chemical formula.

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

Calcite and Pectolite Specific Gravity

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

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