Andalusite and Tavorite Physical Properties

Andalusite

Tavorite

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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

3.32

1.5 Fracture

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

Not Available

1.6 Cleavage

Good on {110}, poor on {100}

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

1.7 Mohs Hardness

7.5

Not Available

1.8 Chemical Composition

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

LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

Andalusite and Tavorite Chemical Formula

While comparing Andalusite and Tavorite 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 Tavorite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Tavorite- LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

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Andalusite and Tavorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Tavorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Tavorite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.32 whereas that of Tavorite is 3.32.