Grandidierite and Microcline Physical Properties

Grandidierite

Microcline

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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

2.85-3.002.55-2.63

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

Perfect

{001} Perfect, {010} Good

1.7 Mohs Hardness

7.56-6.5

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Grandidierite and Microcline Chemical Formula

While comparing Grandidierite and Microcline 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 Microcline chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Grandidierite Vs Hydrogrossular

Grandidierite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.