Augite and Pectolite Physical Properties

Augite

Pectolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.562.74-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

{110} Perfect, {010} Indistinct

Perfect on {100} and {001}

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Pectolite Chemical Formula

While comparing Augite 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 Augite and Pectolite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Augite and Pectolite Specific Gravity

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