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Peridot and Howlite Physical Properties


Howlite and Peridot Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.54-1.55   
2.45-2.58   

Fracture
Conchoidal   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
Poor   
None   

Mohs Hardness
6.5-7   
3-3.5   

Chemical Composition
(Mg,Fe)2SiO4   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Peridot and Howlite Chemical Formula

While comparing Peridot 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 Peridot and Howlite chemical formula.

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Peridot and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Howlite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.45-2.58 whereas that of Howlite is 2.45-2.58.

Semi Precious

Semi Precious


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