Poldervaartite and Zincite Physical Properties

Poldervaartite

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

2.915.50-5.90

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available4

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Zincite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Zincite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Poldervaartite and Zincite Specific Gravity

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