Gypsum and Tourmaline Physical Properties
Tenacity
Flexible
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.20-2.40
2.85-3.35
Fracture
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {010}, distinct on {100}
Indistinct
Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Gypsum and Tourmaline Chemical Formula
While comparing Gypsum and Tourmaline 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 Gypsum and Tourmaline chemical formula.
- Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Gypsum and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gypsum and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.