Riesling Beryl and Grandidierite Physical Properties

Riesling Beryl

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

2.66-2.862.85-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

Perfect

1.7 Mohs Hardness

7.5-87.5

2 10

1.8 Chemical Composition

Al 2Be 3Si 6O 18Martin H.

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

Riesling Beryl and Grandidierite Chemical Formula

While comparing Riesling Beryl 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 Riesling Beryl and Grandidierite chemical formula.

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

Compare Green Gemstones

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Riesling Beryl and Grandidierite Specific Gravity

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