Carnelian and Amazonite Physical Properties

Carnelian

Amazonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

2.55-2.57

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Absent

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

KAlSi₃O₈

Carnelian and Amazonite Chemical Formula

While comparing Carnelian and Amazonite 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 Amazonite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Amazonite- KAlSi₃O₈

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Carnelian Vs Quartz

Carnelian Vs Kunzite

Carnelian Vs Prasiolite

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Carnelian and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.