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Londonite and Adamite Physical Properties


Adamite and Londonite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.34   
4.32-4.48   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic   

Cleavage
None   
{101}, good; {010}, poor   

Mohs Hardness
Not Available   
3.5   

Chemical Composition
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)   
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)   

Optical Properties >>
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Londonite and Adamite Chemical Formula

While comparing Londonite and Adamite 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 Londonite and Adamite chemical formula.

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Londonite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Londonite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.

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