Mottramite and Axinite Physical Properties

Mottramite

Axinite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.93.26-3.36

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None observed

Good on {100}

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Axinite Chemical Formula

While comparing Mottramite 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 Mottramite and Axinite 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

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Mottramite and Axinite Specific Gravity

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