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Ludlamite
Ludlamite

Cassiterite
Cassiterite



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Ludlamite
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Cassiterite

Ludlamite and Cassiterite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.1-3.26.86-7.03
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
1.6 Cleavage
Vitreous, pearly on cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
1.7 Mohs Hardness
3-46-7
Amber
2 10
1.8 Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Cassiterite Chemical Formula

While comparing Ludlamite and Cassiterite 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 Ludlamite and Cassiterite chemical formula.

  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Cassiterite- SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.