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Howlite
Howlite

Sonolite
Sonolite



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Howlite
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Sonolite

Howlite and Sonolite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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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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3.82-4.00
-
{???} Indistinct
5.5
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

Howlite and Sonolite Chemical Formula

While comparing Howlite and Sonolite 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 Sonolite chemical formula.

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Howlite and Sonolite Specific Gravity

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