Garnet and Grandidierite Physical Properties

Garnet

Grandidierite

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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

3.55-4.332.85-3.00

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct

Perfect

1.7 Mohs Hardness

6.5-7.57.5

2 10

1.8 Chemical Composition

Garnet is a series of several different minerals with unique chemical formulas.

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

Garnet and Grandidierite Chemical Formula

While comparing Garnet and Grandidierite 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 Garnet and Grandidierite chemical formula.

Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Garnet and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Garnet and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Garnet and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Garnet is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.