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Pezzottaite
Pezzottaite
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Howlite
Howlite
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Pezzottaite
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Pezzottaite and Howlite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.14
Conchoidal, Uneven
Imperfect; basal
7.5-8
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
 
-
-
-
2.45-2.58
Conchoidal
None
3-3.5
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pezzottaite and Howlite Chemical Formula

While comparing Pezzottaite and Howlite 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 Pezzottaite and Howlite chemical formula.

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Pezzottaite and Howlite Specific Gravity

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