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Howlite
Howlite

Agrellite
Agrellite



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Howlite
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Agrellite

Howlite and Agrellite 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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-
-
2.88
-
perfect [110]
5.5
NaCa2Si4O10F

Howlite and Agrellite Chemical Formula

While comparing Howlite and Agrellite 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 Agrellite chemical formula.

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Howlite and Agrellite Specific Gravity

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