Pectolite and Ametrine Physical Properties

Pectolite

Ametrine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.902.65

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Not Available

1.6 Cleavage

Perfect on {100} and {001}

Indiscernible

1.7 Mohs Hardness

4.5-57

2 10

1.8 Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

SiO₂

Pectolite and Ametrine Chemical Formula

While comparing Pectolite and Ametrine 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 Ametrine chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Ametrine- SiO₂

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Pectolite and Ametrine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Ametrine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Ametrine Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.65 whereas that of Ametrine is 2.65.