Periclase and Ludlamite Physical Properties

Periclase

Ludlamite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.7-3.9

Conchoidal

{001} perfect; {111} imperfect, may exhibit parting on , {011}

5.5-6

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Ludlamite Chemical Formula

While comparing Periclase 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 Periclase and Ludlamite chemical formula.

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Periclase and Ludlamite Specific Gravity

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