Grandidierite and Fuchsite Physical Properties

Grandidierite

Fuchsite

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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

2.85-3.002.77-2.88

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect

Perfect basal

1.7 Mohs Hardness

7.52.5

2 10

1.8 Chemical Composition

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

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Grandidierite and Fuchsite Chemical Formula

While comparing Grandidierite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Grandidierite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.