Jacobsite and Feldspar Physical Properties

Jacobsite

Feldspar

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.032.56-2.75

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

None

two or three

1.7 Mohs Hardness

5.5-6.56-6.5

2 10

1.8 Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Not Available

Jacobsite and Feldspar Chemical Formula

While comparing Jacobsite and Feldspar 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 Feldspar chemical formula.

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

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Jacobsite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.