Ludlamite and Nephrite Physical Properties

Ludlamite

Nephrite

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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

2.90-3.10

Splintery, Granular

None

6-6.5

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Ludlamite and Nephrite Chemical Formula

While comparing Ludlamite and Nephrite 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 Nephrite chemical formula.

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Ludlamite and Nephrite Specific Gravity

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