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Jacobsite and Friedelite Physical Properties


Friedelite 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   
3.06-3.19   

Fracture
Conchoidal, Brittle   
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven   

Cleavage
None   
{010} Perfect   

Mohs Hardness
5.5-6.5   
4-5   

Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   

Optical Properties >>
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Jacobsite and Friedelite Chemical Formula

While comparing Jacobsite and Friedelite 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 Friedelite chemical formula.

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Jacobsite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.

Brown Gemstones

Brown Gemstones


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