Super Seven Crystals and Grandidierite Physical Properties

Super Seven Crystals

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

2.92.85-3.00

1 7.18

1.5 Fracture

Fibrous

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

1.6 Cleavage

[010] Perfect, [100] Distinct, [011] Distinct

Perfect

1.7 Mohs Hardness

27.5

2 10

1.8 Chemical Composition

Not Available

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

Super Seven Crystals and Grandidierite Chemical Formula

While comparing Super Seven Crystals 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 Super Seven Crystals and Grandidierite chemical formula.

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

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Super Seven Crystals and Grandidierite Specific Gravity

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