Demantoid and Jeremejevite Physical Properties

Demantoid

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

3.77-3.953.28-3.31

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

None observed

1.7 Mohs Hardness

6.56.5-7.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Jeremejevite Chemical Formula

While comparing Demantoid 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 Demantoid and Jeremejevite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Demantoid and Jeremejevite Specific Gravity

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