Jeremejevite and Foitite Physical Properties

Jeremejevite

Foitite

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1 Physical Properties

2.2 Tenacity

Not Available

2.4 Solubility

Not Available

2.6 Durability

Not Available

2.7 Specific Gravity

3.28-3.313.17

1 7.18

2.8 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Handbook of mineralogy (2001)

2.9 Cleavage

None observed

None

2.10 Mohs Hardness

6.5-7.57

2 10

2.13 Chemical Composition

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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

Jeremejevite and Foitite Chemical Formula

While comparing Jeremejevite and Foitite 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 Jeremejevite and Foitite chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
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)

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Jeremejevite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jeremejevite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jeremejevite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Jeremejevite is 3.17 whereas that of Foitite is 3.17.