Franklinite and Rhodochrosite Physical Properties

Franklinite

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

5.05-5.223.0-3.3

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

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

MnCO₃

Franklinite and Rhodochrosite Chemical Formula

While comparing Franklinite 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 Franklinite and Rhodochrosite chemical formula.

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

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Franklinite and Rhodochrosite Specific Gravity

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