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Amethyst and Datolite Physical Properties


Datolite and Amethyst Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
insoluble in common solvents   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
2.90-3.00   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Indiscernible   
None   

Mohs Hardness
7   
5-5.5   

Chemical Composition
SiO2   
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Amethyst and Datolite Chemical Formula

While comparing Amethyst and Datolite 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 Datolite chemical formula.

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Amethyst and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Datolite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.90-3.00 whereas that of Datolite is 2.90-3.00.

Semi Precious

Semi Precious


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