Peridot and Ludlamite Physical Properties

Peridot

Ludlamite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

1.54-1.55

Conchoidal

Poor

6.5-7

(Mg,Fe)₂SiO₄

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

Peridot and Ludlamite Chemical Formula

While comparing Peridot 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 Peridot and Ludlamite chemical formula.

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Peridot and Ludlamite Specific Gravity

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