Danburite and Ludlamite Physical Properties

Danburite

Ludlamite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

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

Danburite and Ludlamite Chemical Formula

While comparing Danburite 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 Danburite and Ludlamite chemical formula.

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Danburite and Ludlamite Specific Gravity

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