Zircon and Ludlamite Physical Properties

Zircon

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.93-4.733.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} and {111}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

7.53-4

2 10

1.8 Chemical Composition

ZrSiO₄

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zircon and Ludlamite Chemical Formula

While comparing Zircon 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 Zircon and Ludlamite chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zircon and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Zircon is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.