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Ludlamite
Ludlamite

Muscovite
Muscovite



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Ludlamite
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Muscovite

Ludlamite and Muscovite Physical Properties

Physical Properties

Tenacity

-
Elastic

Solubility

-
-

Durability

-
-

Specific Gravity

3.1-3.22.78-2.88
1 7.18
👆🏻

Fracture

-
-

Cleavage

Vitreous, pearly on cleavage
Perfect on the {001}

Mohs Hardness

3-42-3
2 10
👆🏻

Chemical Composition

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Ludlamite and Muscovite Chemical Formula

While comparing Ludlamite and Muscovite 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 Muscovite 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 Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Ludlamite and Muscovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Muscovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Muscovite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.78-2.88 whereas that of Muscovite is 2.78-2.88.