Wulfenite and Chalcedony Physical Properties

Wulfenite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.002.55-2.70

1 7.18

1.8 Fracture

Irregular, Brittle, Conchoidal

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.9 Cleavage

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

Absent

1.10 Mohs Hardness

36.5-7

2 10

1.12 Chemical Composition

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

SiO₂

Wulfenite and Chalcedony Chemical Formula

While comparing Wulfenite and 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 Chalcedony chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Chalcedony- SiO₂

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Wulfenite and Chalcedony Specific Gravity

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