Gahnite and Friedelite Physical Properties

Gahnite

Friedelite

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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

4.00-4.623.06-3.19

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

{010} Perfect

1.7 Mohs Hardness

7.5-84-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Gahnite and Friedelite Chemical Formula

While comparing Gahnite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Blue Gemstones

Gahnite Vs Indicolite Blue Tourmaline

Gahnite Vs Hydrogrossular

Gahnite Vs Howlite

Gahnite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.