Gahnite and Jade Physical Properties

Gahnite

Jade

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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

4.00-4.622.90-3.38

1 7.18

1.5 Fracture

Conchoidal, Uneven

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Indistinct parting on [111]

1 or 2,2 prismatic.

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Gahnite and Jade Chemical Formula

While comparing Gahnite and Jade 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 Jade chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Blue Gemstones

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Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Jade Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.90-3.38 whereas that of Jade is 2.90-3.38.