Jacobsite and Rhodochrosite Physical Properties

Jacobsite

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.033.0-3.3

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

None

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

5.5-6.53.5-4

2 10

1.8 Chemical Composition

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

MnCO₃

Jacobsite and Rhodochrosite Chemical Formula

While comparing Jacobsite and Rhodochrosite 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 Rhodochrosite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Rhodochrosite- MnCO₃

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Jacobsite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.