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Magnesite
Magnesite

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Magnesite and Londonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Effervesces in hot HCl
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.92-3.12
3.34
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
[10 1 1] perfect
None
1.7 Mohs Hardness
3.5-4.5
Not Available
1.8 Chemical Composition
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Magnesite and Londonite Chemical Formula

While comparing Magnesite and Londonite 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 Londonite chemical formula.

  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Magnesite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 3.34 whereas that of Londonite is 3.34.