Vlasovite and Ludlamite Physical Properties

Vlasovite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Nearly insoluble in HCl and HNO₃

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Distinct on {010}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

63-4

2 10

1.8 Chemical Composition

Not Available

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

Vlasovite and Ludlamite Chemical Formula

While comparing Vlasovite 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 Vlasovite and Ludlamite chemical formula.

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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Vlasovite and Ludlamite Specific Gravity

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