Grandidierite and Riesling Beryl Physical Properties

Grandidierite

Riesling Beryl

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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

2.85-3.002.66-2.86

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect

Not Available

1.7 Mohs Hardness

7.57.5-8

2 10

1.8 Chemical Composition

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

Al 2Be 3Si 6O 18Martin H.

Grandidierite and Riesling Beryl Chemical Formula

While comparing Grandidierite and Riesling Beryl 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 Riesling Beryl chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

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Grandidierite and Riesling Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Riesling Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Riesling Beryl Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.66-2.86 whereas that of Riesling Beryl is 2.66-2.86.