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Howlite
Howlite

Chlorite group
Chlorite group



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Howlite
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Chlorite group

Howlite and Chlorite group 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
 
-
-
-
2.6-3.3
Lamellar
Perfect 001
2-2.5
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Howlite and Chlorite group Chemical Formula

While comparing Howlite and Chlorite group 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 Chlorite group chemical formula.

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Howlite and Chlorite group Specific Gravity

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