Obsidian and Liddicoatite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.35-2.60
3.02
Fracture
Conchoidal, ConchoidalWalter Schumann, Conchoidal
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Cleavage
Not Available
{0001} Poor
Mohs Hardness
5-5.5
Not Available
Chemical Composition
Not Available
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Obsidian and Liddicoatite Chemical Formula
While comparing Obsidian and Liddicoatite 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 Obsidian and Liddicoatite chemical formula.
>- Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Obsidian and Liddicoatite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Obsidian and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 3.02 whereas that of Liddicoatite is 3.02.