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Hurlbutite
Hurlbutite

Sellaite
Sellaite



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Hurlbutite
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Sellaite

Hurlbutite and Sellaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90
Conchoidal
None
6
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Hurlbutite and Sellaite Chemical Formula

While comparing Hurlbutite and Sellaite 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 Hurlbutite and Sellaite chemical formula.

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Hurlbutite and Sellaite Specific Gravity

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