Grandidierite and Lepidocrocite Physical Properties

Grandidierite

Lepidocrocite

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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

2.85-3.004

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect

{010} Perfect

1.7 Mohs Hardness

7.55

2 10

1.8 Chemical Composition

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

Not Available

Grandidierite and Lepidocrocite Chemical Formula

While comparing Grandidierite and Lepidocrocite 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 Lepidocrocite chemical formula.

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

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Grandidierite and Lepidocrocite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Lepidocrocite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Lepidocrocite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 4 whereas that of Lepidocrocite is 4.