Franklinite and Bytownite Physical Properties

Franklinite

Bytownite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

5.05-5.22

Uneven

None

5.5-6

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Brittle

2.72-2.75

Uneven

Perfect on [001], good on [010], imperfect on [110]

6-6.5

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Franklinite and Bytownite Chemical Formula

While comparing Franklinite and Bytownite 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 Franklinite and Bytownite chemical formula.

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Franklinite and Bytownite Specific Gravity

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