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Howlite
Howlite

Grossular
Grossular



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Howlite
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Grossular

Howlite and Grossular Physical Properties

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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
 
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-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Howlite and Grossular Chemical Formula

While comparing Howlite and Grossular 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 Grossular chemical formula.

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Howlite and Grossular Specific Gravity

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