Steatite and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.20-2.80
2.85-3.35
Fracture
Not Available
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Indistinct
Mohs Hardness
Not Available
7-7.5
Chemical Composition
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Steatite and Tourmaline Chemical Formula
While comparing Steatite 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 Steatite and Tourmaline chemical formula.
- Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Steatite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Steatite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Steatite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.