Grandidierite and Ametrine Physical Properties

Grandidierite

Ametrine

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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

2.85-3.002.65

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect

Indiscernible

1.7 Mohs Hardness

7.57

2 10

1.8 Chemical Composition

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

SiO₂

Grandidierite and Ametrine Chemical Formula

While comparing Grandidierite and Ametrine 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 Ametrine chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Ametrine- SiO₂

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Grandidierite and Ametrine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Ametrine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Ametrine Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.65 whereas that of Ametrine is 2.65.