Carnelian and Edenite Physical Properties

Carnelian

Edenite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

3.05-3.37

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Absent

Good on (110)

1.7 Mohs Hardness

6.5-7

5-6

1.8 Chemical Composition

SiO₂

NaCa2Mg5Si7AlO22(OH)2

Carnelian and Edenite Chemical Formula

While comparing Carnelian and Edenite 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 Carnelian and Edenite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Carnelian and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Edenite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.05-3.37 whereas that of Edenite is 3.05-3.37.