Zincite and Montebrasite Physical Properties

Zincite

Montebrasite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.50-5.902.98-3.10

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

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

{100} Perfect, {110} Good, {011} Distinct

Mohs Hardness

45.5-6

2 10

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Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Zincite and Montebrasite Chemical Formula

While comparing Zincite and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Zincite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.