×

Andalusite
Andalusite

Datolite
Datolite



ADD
Compare
X
Andalusite
X
Datolite

Andalusite and Datolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.05-3.212.90-3.00
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Good on {110}, poor on {100}
None
1.7 Mohs Hardness
7.55-5.5
Amber
2 10
1.8 Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Andalusite and Datolite Chemical Formula

While comparing Andalusite and Datolite 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 Datolite chemical formula.

  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Andalusite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.