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Blue spinel
Blue spinel

Jacobsite
Jacobsite



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Blue spinel
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Jacobsite

Blue spinel and Jacobsite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available4.76-5.03
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Brittle
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
Not Available5.5-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Blue spinel and Jacobsite Chemical Formula

While comparing Blue spinel and Jacobsite 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 Blue spinel and Jacobsite chemical formula.

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  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Blue spinel and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue spinel and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue spinel and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Blue spinel is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.