Rhodochrosite and Fibrolite Physical Properties

Rhodochrosite

Fibrolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.14-3.25

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-4

6-7

1.8 Chemical Composition

MnCO₃

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Rhodochrosite and Fibrolite Chemical Formula

While comparing Rhodochrosite and Fibrolite 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 Rhodochrosite and Fibrolite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Rhodochrosite and Fibrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Fibrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Fibrolite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.14-3.25 whereas that of Fibrolite is 3.14-3.25.