Ludlamite and Danburite Physical Properties

Ludlamite

Danburite

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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

2.97-3.03

Uneven, ConchoidalWalter Schumann, Conchoidal

{001} Poor

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Danburite Chemical Formula

While comparing Ludlamite and Danburite 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 Danburite chemical formula.

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Ludlamite and Danburite Specific Gravity

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