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Herderite
Herderite

Sapphirine
Sapphirine



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Herderite
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Sapphirine

Herderite and Sapphirine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
-
-
-
3.40-3.58
Conchoidal, Uneven
{010} Perfect
7.5
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Herderite and Sapphirine Chemical Formula

While comparing Herderite and Sapphirine 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 Herderite and Sapphirine chemical formula.

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Herderite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite Vs Sapphirine during the identification of gemstone. Specific gravity of Herderite is whereas that of Sapphirine is .