Ludlamite and Aragonite Physical Properties

Ludlamite

Aragonite

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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

Brittle

Dilute acid

2.93-2.96

Subconchoidal, Conchoidal

Distinct on {010}, imperfect {110} and {011}

3.5-4

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Aragonite Chemical Formula

While comparing Ludlamite and Aragonite 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 Aragonite chemical formula.

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Ludlamite and Aragonite Specific Gravity

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