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Turquoise
Turquoise

Ludlamite
Ludlamite



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Turquoise
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Turquoise and Ludlamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.903.1-3.2
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Good to perfect_usually N/A
Vitreous, pearly on cleavage
1.7 Mohs Hardness
5-63-4
Amber
2 10
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Ludlamite Chemical Formula

While comparing Turquoise 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 Turquoise and Ludlamite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Ludlamite Specific Gravity

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