Galena and Moldavite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.23
2.32-2.38
Fracture
Subconchoidal, Brittle, Metallic
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Cubic perfect on [001], parting on [111]
Not Available
Mohs Hardness
2.5-2.75
5.5
Chemical Composition
PbS
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Galena and Moldavite Chemical Formula
While comparing Galena and Moldavite 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 Galena and Moldavite chemical formula.
- Chemical formula of Galena- PbS
- Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Galena and Moldavite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Galena and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.