Franklinite and Coral Physical Properties

Franklinite

Coral

Add ⊕

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

2.60-2.70

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5.5-6

3-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Franklinite and Coral Chemical Formula

While comparing Franklinite and Coral 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 Coral chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Compare Red Gemstones

Franklinite Vs Hexagonite

Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Coral Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.60-2.70 whereas that of Coral is 2.60-2.70.