Wulfenite and Chrome-Chalcedony Physical Properties

Wulfenite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.002.55-2.70

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Not Available

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

Not Available

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Chrome-Chalcedony Chemical Formula

While comparing Wulfenite 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 Wulfenite and Chrome-Chalcedony chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Wulfenite and Chrome-Chalcedony Specific Gravity

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