Pargasite and Zincite Physical Properties

Pargasite

Zincite

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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

3.04-3.265.50-5.90

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{110} perfect

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

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Pargasite and Zincite Chemical Formula

While comparing Pargasite 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 Pargasite and Zincite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Pargasite and Zincite Specific Gravity

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