Forsterite and Sheen Obsidian Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.23-3.26
2.33-2.50
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {010} imperfect on {100}
Not Available
Mohs Hardness
6.5-7
5-5.5
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
Forsterite and Sheen Obsidian Chemical Formula
While comparing Forsterite and Sheen 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 Forsterite and Sheen Obsidian chemical formula.
- Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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Forsterite and Sheen Obsidian Specific Gravity
Another important criteria for qualitative analysis of gemstones is Forsterite and Sheen Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Sheen Obsidian Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.33-2.50 whereas that of Sheen Obsidian is 2.33-2.50.