Witherite and Chrome-Chalcedony Physical Properties

Witherite

Chrome-Chalcedony

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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

4.27-4.352.55-2.70

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

{010} Distinct

Not Available

1.7 Mohs Hardness

3-3.56.5-7

2 10

1.8 Chemical Composition

BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Witherite and Chrome-Chalcedony Chemical Formula

While comparing Witherite and Chrome-Chalcedony 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 Witherite and Chrome-Chalcedony chemical formula.

Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Witherite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Witherite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Witherite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Witherite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.