Annabergite and Axinite Physical Properties

Annabergite

Axinite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.26-3.36

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {100}

1.7 Mohs Hardness

26.5-7

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Annabergite and Axinite Chemical Formula

While comparing Annabergite and Axinite 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 Annabergite and Axinite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Annabergite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.