Franklinite and Annabergite Physical Properties

Franklinite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.05-5.223.07

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

5.5-62

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Franklinite and Annabergite Chemical Formula

While comparing Franklinite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

Compare Red Gemstones

Franklinite Vs Hibonite

Franklinite Vs Hexagonite

Franklinite Vs Hydrogrossular

Franklinite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.07 whereas that of Annabergite is 3.07.