Kurnakovite and Andalusite Physical Properties

Kurnakovite

Andalusite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.05-3.21

1 7.18

1.5 Fracture

Brittle, Conchoidal

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor to indistinct on {010}

Good on {110}, poor on {100}

1.7 Mohs Hardness

2-37.5

2 10

1.8 Chemical Composition

Not Available

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Kurnakovite and Andalusite Chemical Formula

While comparing Kurnakovite and Andalusite 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 Kurnakovite and Andalusite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Kurnakovite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.