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Fluorite
Fluorite

Andalusite
Andalusite



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Fluorite
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Andalusite

Fluorite and Andalusite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
slightly water soluble and in hot hydrochloric acid
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.00-3.253.05-3.21
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Octahedral, perfect on {111}, parting on {011}
Good on {110}, poor on {100}
1.7 Mohs Hardness
47.5
Amber
2 10
1.8 Chemical Composition
CaF2
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Fluorite and Andalusite Chemical Formula

While comparing Fluorite 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 Fluorite and Andalusite chemical formula.

  • Chemical formula of Fluorite- CaF2
  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Fluorite and Andalusite Specific Gravity

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