Magnesite and Danburite Physical Properties

Magnesite

Danburite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in hot HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.122.97-3.03

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] perfect

{001} Poor

1.7 Mohs Hardness

3.5-4.57

2 10

1.8 Chemical Composition

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Magnesite and Danburite Chemical Formula

While comparing Magnesite 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 Magnesite and Danburite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Magnesite and Danburite Specific Gravity

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