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Howlite
Howlite

Thomsonite
Thomsonite



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Howlite
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Thomsonite

Howlite and Thomsonite Physical Properties

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
 
-
-
-
2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Howlite and Thomsonite Chemical Formula

While comparing Howlite and Thomsonite 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 Thomsonite chemical formula.

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Howlite and Thomsonite Specific Gravity

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