Zincite and Friedelite Physical Properties

Zincite

Friedelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.903.06-3.19

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

44-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Zincite and Friedelite Chemical Formula

While comparing Zincite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Zincite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.