Gahnite and Jeremejevite Physical Properties

Gahnite

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

4.00-4.623.28-3.31

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Indistinct parting on [111]

None observed

1.7 Mohs Hardness

7.5-86.5-7.5

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Gahnite and Jeremejevite Chemical Formula

While comparing Gahnite 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 Gahnite and Jeremejevite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Gahnite and Jeremejevite Specific Gravity

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