Wavellite and Demantoid Physical Properties

Wavellite

Demantoid

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.363.77-3.95

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Not Available

1.6 Cleavage

[110] perfect, [101] good, [010] distinct

Not Available

1.7 Mohs Hardness

3.5-46.5

2 10

1.8 Chemical Composition

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Wavellite and Demantoid Chemical Formula

While comparing Wavellite and Demantoid 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 Wavellite and Demantoid chemical formula.

Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Wavellite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.