Gahnite and Matrix Opal Physical Properties

Gahnite

Matrix Opal

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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

4.00-4.621.98-2.50

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Indistinct parting on [111]

Not Available

1.7 Mohs Hardness

7.5-85.5-6.5

2 10

1.8 Chemical Composition

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

Not Available

Gahnite and Matrix Opal Chemical Formula

While comparing Gahnite and Matrix Opal 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 Matrix Opal chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Gahnite Vs Howlite

Gahnite and Matrix Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Matrix Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Matrix Opal Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 1.98-2.50 whereas that of Matrix Opal is 1.98-2.50.