Wardite and Scheelite Physical Properties

Wardite

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.815.9-6.3

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

{001} Perfect

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

4.5-54.5-5

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Wardite and Scheelite Chemical Formula

While comparing Wardite and Scheelite 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 Wardite and Scheelite chemical formula.

Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Wardite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wardite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wardite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Wardite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.