Zincite and Pectolite Physical Properties

Zincite

Pectolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.902.74-2.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

Perfect on {100} and {001}

1.7 Mohs Hardness

44.5-5

2 10

1.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Zincite and Pectolite Chemical Formula

While comparing Zincite 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 Zincite and Pectolite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Zincite and Pectolite Specific Gravity

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