Leucophanite and Andalusite Physical Properties

Leucophanite

Andalusite

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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

Not Available3.05-3.21

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

{???} Good, {???} Good, {???} Distinct

Good on {110}, poor on {100}

1.7 Mohs Hardness

Not Available7.5

2 10

1.8 Chemical Composition

Not Available

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

Leucophanite and Andalusite Chemical Formula

While comparing Leucophanite 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 Leucophanite and Andalusite chemical formula.

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

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Leucophanite and Andalusite Specific Gravity

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