Foitite and Rhodolite Physical Properties

Foitite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.173.84

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Conchoidal

1.6 Cleavage

None

none, may show indistinct parting

1.7 Mohs Hardness

77-7.5

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)

(Mg,Fe)₃Al₂Si₃O₁₂

Foitite and Rhodolite Chemical Formula

While comparing Foitite and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

Compare Violet Gemstones

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Foitite Vs Hydrogrossular

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Foitite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Foitite is 3.84 whereas that of Rhodolite is 3.84.