Piemontite and Carnelian Physical Properties

Piemontite

Carnelian

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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

Not Available2.58-2.64

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Absent

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Piemontite and Carnelian Chemical Formula

While comparing Piemontite 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 Piemontite and Carnelian chemical formula.

Chemical formula of Carnelian- SiO₂

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Piemontite and Carnelian Specific Gravity

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