Ludlamite and Vesuvianite Physical Properties

Ludlamite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.23.32-3.43

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Vitreous, pearly on cleavage

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

3-46-7

2 10

1.8 Chemical Composition

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

Not Available

Ludlamite and Vesuvianite Chemical Formula

While comparing Ludlamite and Vesuvianite 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 Vesuvianite 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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Ludlamite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.