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Grandidierite
Grandidierite

Amethyst
Amethyst



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Grandidierite
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Amethyst

Grandidierite and Amethyst Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2

Grandidierite and Amethyst Chemical Formula

While comparing Grandidierite and Amethyst 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 Amethyst chemical formula.

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Grandidierite and Amethyst Specific Gravity

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