Plumbogummite and Carnelian Physical Properties

Plumbogummite

Carnelian

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.58-2.64

1 7.18

1.5 Fracture

Uneven, Conchoidal

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None

Absent

1.7 Mohs Hardness

4-56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Plumbogummite and Carnelian Chemical Formula

While comparing Plumbogummite and Carnelian 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 Carnelian chemical formula.

Chemical formula of Carnelian- SiO₂

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Plumbogummite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.