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Schorl
Schorl

Sylvite
Sylvite



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Schorl
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Schorl and Sylvite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.18-3.22
1.993
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Brittle
1.6 Cleavage
{1011} Indistinct
Perfect on [100], [010], [001]
1.7 Mohs Hardness
Not Available
2.5
1.8 Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Not Available

Schorl and Sylvite Chemical Formula

While comparing Schorl and Sylvite 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 Schorl and Sylvite chemical formula.

  • Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
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Schorl and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 1.993 whereas that of Sylvite is 1.993.