Rosasite and Jacobsite Physical Properties

Rosasite

Jacobsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.24.76-5.03

1 7.18

1.5 Fracture

Splintery

Conchoidal, Brittle

1.6 Cleavage

Perfect on {100} and {010}

None

1.7 Mohs Hardness

45.5-6.5

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Jacobsite Chemical Formula

While comparing Rosasite 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 Rosasite and Jacobsite chemical formula.

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

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Rosasite and Jacobsite Specific Gravity

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