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Smaragdite
Smaragdite

Ludlamite
Ludlamite



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Smaragdite
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Ludlamite

Smaragdite and Ludlamite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.24-3.503.1-3.2
1 7.18
👆🏻

Fracture

-
-

Cleavage

None
Vitreous, pearly on cleavage

Mohs Hardness

5.53-4
2 10
👆🏻

Chemical Composition

NaCa2(Al,Fe)3Si6O18(OH)4
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Smaragdite and Ludlamite Chemical Formula

While comparing Smaragdite 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 Smaragdite and Ludlamite chemical formula.

  • Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4
  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Smaragdite and Ludlamite Specific Gravity

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