Grandidierite and Gaspeite Physical Properties

Grandidierite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.003.71

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect

{10 1 1} Good

1.7 Mohs Hardness

7.54.5-5

2 10

1.8 Chemical Composition

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

(Ni,Mg,Fe++)CO3

Grandidierite and Gaspeite Chemical Formula

While comparing Grandidierite and Gaspeite 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 Gaspeite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Grandidierite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.71 whereas that of Gaspeite is 3.71.