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Annabergite
Annabergite

Danburite
Danburite



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Annabergite
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Danburite

Annabergite and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Annabergite and Danburite Chemical Formula

While comparing Annabergite and Danburite 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 Annabergite and Danburite chemical formula.

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Annabergite and Danburite Specific Gravity

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