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Linarite and Howlite Physical Properties


Howlite and Linarite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.35   
2.45-2.58   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
Perfect on {100}, imperfect on {001}   
None   

Mohs Hardness
2.5   
3-3.5   

Chemical Composition
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Linarite and Howlite Chemical Formula

While comparing Linarite 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 Linarite and Howlite chemical formula.

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Linarite and Howlite Specific Gravity

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

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