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Amethyst
Amethyst

Grossular
Grossular



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Amethyst
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Grossular

Amethyst and Grossular Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Amethyst and Grossular Chemical Formula

While comparing Amethyst and Grossular 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 Amethyst and Grossular chemical formula.

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Amethyst and Grossular Specific Gravity

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