Franklinite and Tigers Eye Physical Properties

Franklinite

Tigers Eye

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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

5.05-5.222.58-2.64

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

Gems, Sixth Edition (2006)

1.6 Cleavage

None

Indiscernible

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Franklinite and Tigers Eye Chemical Formula

While comparing Franklinite and Tigers Eye 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 Tigers Eye chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Tigers Eye- SiO₂

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Franklinite and Tigers Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.