Grossular and Zincite Physical Properties

Grossular

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

3.55-3.735.50-5.90

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

none

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

1.7 Mohs Hardness

7-7.54

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Grossular and Zincite Chemical Formula

While comparing Grossular 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 Grossular and Zincite chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Grossular and Zincite Specific Gravity

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