Sogdianite and Carnelian Physical Properties

Sogdianite

Carnelian

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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

2.77-2.902.58-2.64

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{0001} Perfect

Absent

1.7 Mohs Hardness

76.5-7

2 10

1.8 Chemical Composition

(K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

SiO₂

Sogdianite and Carnelian Chemical Formula

While comparing Sogdianite and Carnelian 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 Sogdianite and Carnelian chemical formula.

Chemical formula of Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.
Chemical formula of Carnelian- SiO₂

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Sogdianite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sogdianite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sogdianite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Sogdianite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.