Foitite and Rhodochrosite Physical Properties

Foitite

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

3.173.0-3.3

1 7.18

1.5 Fracture

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

73.5-4

2 10

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

MnCO₃

Foitite and Rhodochrosite Chemical Formula

While comparing Foitite 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 Foitite and Rhodochrosite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Rhodochrosite- MnCO₃

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Foitite and Rhodochrosite Specific Gravity

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