Williamsite and Danburite Physical Properties

Williamsite

Danburite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.632.97-3.03

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Not Available

{001} Poor

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Williamsite and Danburite Chemical Formula

While comparing Williamsite 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 Williamsite and Danburite chemical formula.

Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Williamsite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.