Grossular and Sphalerite Physical Properties

Grossular

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.55-3.733.95-4.10

1 7.18

1.5 Fracture

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

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

none

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Grossular and Sphalerite Chemical Formula

While comparing Grossular and Sphalerite 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 Sphalerite chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Grossular and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Grossular is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.