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Howlite
Howlite

Verdite
Verdite



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Howlite
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Verdite

Howlite and Verdite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
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-
-
2.80-3.0
-
{110} Good
3
NaFeS2•2(H2O)

Howlite and Verdite Chemical Formula

While comparing Howlite and Verdite 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 Howlite and Verdite chemical formula.

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Howlite and Verdite Specific Gravity

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