Pearl and Franklinite Physical Properties

Pearl

Franklinite

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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

2.60-2.855.05-5.22

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

None

1.7 Mohs Hardness

2.5-4.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Franklinite Chemical Formula

While comparing Pearl and Franklinite 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 Pearl and Franklinite chemical formula.

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

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Pearl and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.