Hanksite and Andalusite Physical Properties

Hanksite

Andalusite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.562

3.05-3.21

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

Good on {0001}

Good on {110}, poor on {100}

1.7 Mohs Hardness

3-3.5

7.5

1.8 Chemical Composition

KNa22(SO4)9(CO3)2Cl

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

Hanksite and Andalusite Chemical Formula

While comparing Hanksite 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 Hanksite and Andalusite chemical formula.

Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Hanksite and Andalusite Specific Gravity

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