Pectolite and Zincite Physical Properties

Pectolite

Zincite

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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

2.74-2.905.50-5.90

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {100} and {001}

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

1.7 Mohs Hardness

4.5-54

2 10

1.8 Chemical Composition

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

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

Pectolite and Zincite Chemical Formula

While comparing Pectolite and Zincite 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 Zincite chemical formula.

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

Compare Colorless Gems

Pectolite Vs Pleonaste

Pectolite Vs Phosphosiderite

Pectolite Vs Phosphophyllite

Pectolite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.