Franklinite and Moldavite Physical Properties

Franklinite

Moldavite

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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

5.05-5.222.32-2.38

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Franklinite and Moldavite Chemical Formula

While comparing Franklinite and Moldavite 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 Moldavite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Compare Red Gemstones

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Franklinite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.