Gahnite and Prasiolite Physical Properties

Gahnite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.622.65

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Indistinct parting on [111]

3,1

1.7 Mohs Hardness

7.5-87

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Gahnite and Prasiolite Chemical Formula

While comparing Gahnite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Gahnite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.65 whereas that of Prasiolite is 2.65.