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Jade and Howlite Physical Properties


Howlite and Jade Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.38   
2.45-2.58   

Fracture
Gemstones of the world (2001), Difficult, Splintery   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
1 or 2,2 prismatic.   
None   

Mohs Hardness
6-7   
3-3.5   

Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Jade and Howlite Chemical Formula

While comparing Jade 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 Jade and Howlite chemical formula.

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Jade and Howlite Specific Gravity

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

Semi Precious

Semi Precious


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