Carnelian and Humite Physical Properties

Carnelian

Humite

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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

3.20-3.32

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

1.6 Cleavage

Absent

Poor

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

Carnelian and Humite Chemical Formula

While comparing Carnelian and Humite 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 Humite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

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Carnelian and Humite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Humite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Humite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.20-3.32 whereas that of Humite is 3.20-3.32.