Jacobsite and Sylvite Physical Properties

Jacobsite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.031.993

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

None

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5.5-6.52.5

2 10

1.8 Chemical Composition

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

Not Available

Jacobsite and Sylvite Chemical Formula

While comparing Jacobsite and Sylvite 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 Sylvite 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 Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 1.993 whereas that of Sylvite is 1.993.