Ammolite and Grandidierite Physical Properties

Ammolite

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

2.75-2.802.85-3.00

1 7.18

1.5 Fracture

Uneven, Granular

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

1.6 Cleavage

no true cleavage

Perfect

1.7 Mohs Hardness

47.5

2 10

1.8 Chemical Composition

Not Available

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

Ammolite and Grandidierite Chemical Formula

While comparing Ammolite 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 Ammolite 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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Ammolite and Grandidierite Specific Gravity

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