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Larvikite
Larvikite

Howlite
Howlite



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Larvikite
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Howlite

Larvikite and Howlite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Larvikite and Howlite Chemical Formula

While comparing Larvikite 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 Larvikite and Howlite chemical formula.

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Larvikite and Howlite Specific Gravity

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