Andalusite and Ivory Physical Properties

Andalusite

Ivory

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.21

1.70-2.00

1.5 Fracture

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

Not Available

1.6 Cleavage

Good on {110}, poor on {100}

Not Available

1.7 Mohs Hardness

7.5

2-3

1.8 Chemical Composition

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

Not Available

Andalusite and Ivory Chemical Formula

While comparing Andalusite and Ivory 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 Andalusite and Ivory chemical formula.

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

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Andalusite and Ivory Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Ivory Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Ivory Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 1.70-2.00 whereas that of Ivory is 1.70-2.00.