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Jacobsite and Starlite Physical Properties


Starlite and Jacobsite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.76-5.03   
3.91-4.73   

Fracture
Conchoidal, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
None   
Not Available   

Mohs Hardness
5.5-6.5   
6.5-7.5   

Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Jacobsite and Starlite Chemical Formula

While comparing Jacobsite and Starlite 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 Jacobsite and Starlite chemical formula.

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Jacobsite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.

Brown Gemstones

Brown Gemstones


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