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Franklinite and Amethyst Physical Properties


Amethyst and Franklinite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
5.05-5.22   
2.65   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
None   
Indiscernible   

Mohs Hardness
5.5-6   
7   

Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
SiO2   

Optical Properties >>
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Franklinite and Amethyst Chemical Formula

While comparing Franklinite 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 Franklinite and Amethyst chemical formula.

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Franklinite and Amethyst Specific Gravity

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

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