Rhodochrosite and Friedelite Physical Properties

Rhodochrosite

Friedelite

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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

3.06-3.19

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

3.5-4

4-5

1.8 Chemical Composition

MnCO₃

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Rhodochrosite and Friedelite Chemical Formula

While comparing Rhodochrosite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Rhodochrosite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.