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Pyrite Marcasite
Pyrite Marcasite

Ludlamite
Ludlamite



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Pyrite Marcasite
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Ludlamite

Pyrite Marcasite and Ludlamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.9-5.23.1-3.2
Amber
1 7.18
1.5 Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
None
Vitreous, pearly on cleavage
1.7 Mohs Hardness
6-6.53-4
Amber
2 10
1.8 Chemical Composition
Not Available
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pyrite Marcasite and Ludlamite Chemical Formula

While comparing Pyrite Marcasite and Ludlamite 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 Pyrite Marcasite and Ludlamite chemical formula.

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

Pyrite Marcasite and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite Marcasite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite Marcasite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Pyrite Marcasite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.