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Howlite
Howlite

Larvikite
Larvikite



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Howlite
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Larvikite

Howlite and Larvikite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
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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-
-
2.59
-
None
6-6.5
(Na,Ca)2(Fe2+,Mg)3Si3O10

Howlite and Larvikite Chemical Formula

While comparing Howlite and Larvikite 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 Larvikite chemical formula.

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Howlite and Larvikite Specific Gravity

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