Carnelian and Brookite Physical Properties

Carnelian

Brookite

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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

3.87-4.14

1.5 Fracture

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

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

1.6 Cleavage

Absent

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

6.5-7

5.5-6

1.8 Chemical Composition

SiO₂

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Carnelian and Brookite Chemical Formula

While comparing Carnelian and Brookite 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 Brookite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Carnelian Vs Quartz

Carnelian Vs Prasiolite

Carnelian Vs Kunzite

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Carnelian and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Brookite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.87-4.14 whereas that of Brookite is 3.87-4.14.