Coral and Schorl Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.60-2.70
3.18-3.22
Fracture
Irregular, Irregular, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Not Available
{1011} Indistinct
Mohs Hardness
3-4
Not Available
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Coral and Schorl Chemical Formula
While comparing Coral and Schorl 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 Coral and Schorl chemical formula.
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
- Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Coral and Schorl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Coral and Schorl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Schorl Optical Properties during the identification of gemstone. Specific gravity of Coral is 3.18-3.22 whereas that of Schorl is 3.18-3.22.
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