Grandidierite and Serpentine Physical Properties

Grandidierite

Serpentine

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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

2.85-3.002.44-2.62

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect

Not Available

1.7 Mohs Hardness

7.52.5-5.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Grandidierite and Serpentine Chemical Formula

While comparing Grandidierite and Serpentine 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 Grandidierite and Serpentine chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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Grandidierite and Serpentine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Serpentine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Serpentine Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.44-2.62 whereas that of Serpentine is 2.44-2.62.