Gahnite and Stichtite Physical Properties

Gahnite

Stichtite

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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

4.00-4.622.11-2.20

1 7.18

1.5 Fracture

Conchoidal, Uneven

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Indistinct parting on [111]

Perfect on {0001}

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gahnite and Stichtite Chemical Formula

While comparing Gahnite and Stichtite 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 Stichtite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Gahnite Vs Indicolite Blue Tourmaline

Gahnite Vs Hydrogrossular

Gahnite Vs Howlite

Gahnite and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.