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Schorl
Schorl

Friedelite
Friedelite



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Schorl
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Friedelite

Schorl and Friedelite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.18-3.223.06-3.19
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
1.6 Cleavage
{1011} Indistinct
{010} Perfect
1.7 Mohs Hardness
Not Available4-5
Amber
2 10
1.8 Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Schorl and Friedelite Chemical Formula

While comparing Schorl and Friedelite 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 Friedelite 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)
  • Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Schorl and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.