Moss Opal and Astrophyllite Physical Properties

Moss Opal and Astrophyllite Chemical Formula

While comparing Moss Opal and Astrophyllite 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 Moss Opal and Astrophyllite chemical formula.

• Chemical formula of Moss Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Moss Opal and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moss Opal and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moss Opal and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Moss Opal is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.