Ludlamite and Fayalite Physical Properties

Ludlamite

Fayalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.1-3.2

Vitreous, pearly on cleavage

3-4

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

4.392

Conchoidal

{010} moderate, {100} imperfect

6.5-7

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Ludlamite and Fayalite Chemical Formula

While comparing Ludlamite and Fayalite 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 Fayalite chemical formula.

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Ludlamite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite Vs Fayalite during the identification of gemstone. Specific gravity of Ludlamite is whereas that of Fayalite is .