Franklinite and Emerald Physical Properties

Franklinite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

5.05-5.222.67-2.78

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

Imperfect on the [0001]

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Franklinite and Emerald Chemical Formula

While comparing Franklinite and Emerald 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 Emerald chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Emerald- Be₃Al₂SiO₆

Compare Red Gemstones

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Franklinite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.