Serandite and Obsidian Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.52
2.35-2.60
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)
Conchoidal, ConchoidalWalter Schumann, Conchoidal
Cleavage
{100} Perfect, {001} Perfect
Not Available
Mohs Hardness
5-5.5
5-5.5
Chemical Composition
Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
Serandite and Obsidian Chemical Formula
While comparing Serandite and Obsidian 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 Serandite and Obsidian chemical formula.
- Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
>
Serandite and Obsidian Specific Gravity
Another important criteria for qualitative analysis of gemstones is Serandite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serandite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Serandite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.