Variscite and Ludlamite Physical Properties

Variscite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.583.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

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

1.6 Cleavage

[010] perfect

Vitreous, pearly on cleavage

1.7 Mohs Hardness

4-53-4

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

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

Variscite and Ludlamite Chemical Formula

While comparing Variscite 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 Variscite and Ludlamite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

Variscite Vs Aragonite

Variscite Vs Garnet

Variscite Vs Amazonite

Variscite and Ludlamite Specific Gravity

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