Almandine and Jeremejevite Physical Properties

Almandine

Jeremejevite

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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

3.95-4.30

3.28-3.31

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

none

None observed

1.7 Mohs Hardness

7-7.5

6.5-7.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Almandine and Jeremejevite Chemical Formula

While comparing Almandine and Jeremejevite 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 Almandine and Jeremejevite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Almandine and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.