Gahnite and Pearl Physical Properties

Gahnite

Pearl

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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

4.00-4.622.60-2.85

1 7.18

1.5 Fracture

Conchoidal, Uneven

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Indistinct parting on [111]

none

1.7 Mohs Hardness

7.5-82.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Gahnite and Pearl Chemical Formula

While comparing Gahnite and Pearl 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 Pearl chemical formula.

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

Compare Blue Gemstones

Gahnite Vs Howlite

Gahnite Vs Hydrogrossular

Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.