Axinite and Tanzanite Physical Properties

Axinite

Tanzanite

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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

3.26-3.363.35

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good on {100}

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Axinite and Tanzanite Chemical Formula

While comparing Axinite and Tanzanite 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 Axinite and Tanzanite chemical formula.

Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Axinite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Axinite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Axinite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Axinite is 3.35 whereas that of Tanzanite is 3.35.