Thaumasite and Andalusite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.91
3.05-3.21
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Indistinct
Good on {110}, poor on {100}
Chemical Composition
Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Thaumasite and Andalusite Chemical Formula
While comparing Thaumasite 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 Thaumasite and Andalusite chemical formula.
- Chemical formula of Thaumasite- Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Thaumasite and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Thaumasite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thaumasite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Thaumasite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.