Grossular Garnet and Gahnite Physical Properties

Grossular Garnet

Gahnite

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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

3.64.00-4.62

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven

1.6 Cleavage

None

Indistinct parting on [111]

1.7 Mohs Hardness

6.5-7.57.5-8

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

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

Grossular Garnet and Gahnite Chemical Formula

While comparing Grossular Garnet and Gahnite 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 Grossular Garnet and Gahnite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Grossular Garnet and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular Garnet and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular Garnet and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Grossular Garnet is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.