Plumbogummite and Chalcedony Physical Properties

Plumbogummite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.55-2.70

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

Absent

1.7 Mohs Hardness

4-56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Plumbogummite and Chalcedony Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Chalcedony chemical formula.

Chemical formula of Chalcedony- SiO₂

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Plumbogummite and Chalcedony Specific Gravity

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