Iolite and Jeremejevite Physical Properties

Iolite

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

2.6-2.73.28-3.31

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

3,1

None observed

1.7 Mohs Hardness

7-7.56.5-7.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Jeremejevite Chemical Formula

While comparing Iolite 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 Iolite and Jeremejevite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Iolite and Jeremejevite Specific Gravity

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