Andalusite and Mimetite Physical Properties

Andalusite

Mimetite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.21

7.10

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good on {110}, poor on {100}

[10 1 1] Imperfect

1.7 Mohs Hardness

7.5

3.5

1.8 Chemical Composition

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

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Andalusite and Mimetite Chemical Formula

While comparing Andalusite and Mimetite 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 Mimetite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Andalusite Vs Augite

Andalusite Vs Baddeleyite

Andalusite Vs Baryte Barite

Andalusite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 7.10 whereas that of Mimetite is 7.10.