Carnelian and Rhodizite Physical Properties

Carnelian

Rhodizite

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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

3.34-3.44

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Absent

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

6.5-7

8-8.5

1.8 Chemical Composition

SiO₂

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Carnelian and Rhodizite Chemical Formula

While comparing Carnelian and Rhodizite 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 Rhodizite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Carnelian Vs Prasiolite

Carnelian Vs Quartz

Carnelian Vs Kunzite

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Carnelian and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.