Whitlockite and Precious Opal Physical Properties

Whitlockite

Precious Opal

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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

3.121.98-2.25

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available5-6.5

2 10

1.8 Chemical Composition

Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Whitlockite and Precious Opal Chemical Formula

While comparing Whitlockite and Precious Opal 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 Whitlockite and Precious Opal chemical formula.

Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare White Gemstones

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Whitlockite Vs Hawks Eye

Whitlockite Vs Crystal Quartz

Whitlockite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Whitlockite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.