Hypersthene and Grandidierite Physical Properties

Hypersthene

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

3.45-3.552.85-3.00

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{100} Perfect, {010} Perfect

Perfect

1.7 Mohs Hardness

5-67.5

2 10

1.8 Chemical Composition

(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

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

Hypersthene and Grandidierite Chemical Formula

While comparing Hypersthene 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 Hypersthene and Grandidierite chemical formula.

Chemical formula of Hypersthene- (Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Black Gemstones

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Hypersthene Vs Melanite

Hypersthene Vs Morion

Hypersthene and Grandidierite Specific Gravity

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