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Friedelite
Friedelite

Bustamite
Bustamite



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Friedelite
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Bustamite

Friedelite and Bustamite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

3.06-3.193.32-3.43
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

{010} Perfect
{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

4-55.5-6
2 10
👆🏻

Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Friedelite and Bustamite Chemical Formula

While comparing Friedelite and Bustamite 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 Friedelite and Bustamite chemical formula.

  • Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Friedelite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.