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Friedelite and Amethyst Physical Properties


Amethyst and Friedelite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
3.06-3.19   
2.65   

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

Cleavage
{010} Perfect   
Indiscernible   

Mohs Hardness
4-5   
7   

Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   
SiO2   

Optical Properties >>
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Friedelite and Amethyst Chemical Formula

While comparing Friedelite 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 Friedelite and Amethyst chemical formula.

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Friedelite and Amethyst Specific Gravity

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

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Red Gemstones


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