Franklinite and Forsterite Physical Properties

Franklinite

Forsterite

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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

5.05-5.22

3.23-3.26

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Franklinite and Forsterite Chemical Formula

While comparing Franklinite and Forsterite 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 Forsterite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite Vs Hexagonite

Franklinite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.