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Esperite
Esperite

Ludlamite
Ludlamite



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Esperite
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Ludlamite

Esperite 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
4.28-4.423.1-3.2
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Distinct on [010] and [100] poor on [101]
Vitreous, pearly on cleavage
1.7 Mohs Hardness
5-5.53-4
Amber
2 10
1.8 Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Ludlamite Chemical Formula

While comparing Esperite 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 Esperite and Ludlamite chemical formula.

  • Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Ludlamite Specific Gravity

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