Gedrite and Gahnite Physical Properties

Gedrite

Gahnite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.15-3.259

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

5.5-6

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

4.00-4.62

Conchoidal, Uneven

Indistinct parting on [111]

7.5-8

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

Gedrite and Gahnite Chemical Formula

While comparing Gedrite 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 Gedrite and Gahnite chemical formula.

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Gedrite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite Vs Gahnite during the identification of gemstone. Specific gravity of Gedrite is whereas that of Gahnite is .