Onyx and Titanite Sphene Physical Properties

Onyx

Titanite Sphene

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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

2.55-2.703.52-3.54

1 7.18

1.5 Fracture

Not Available

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

SiO₂

CaTiSiO 5Ulrich Henn and Claudio C.

Onyx and Titanite Sphene Chemical Formula

While comparing Onyx and Titanite Sphene 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 Onyx and Titanite Sphene chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.

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Onyx and Titanite Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Titanite Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Titanite Sphene Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.52-3.54 whereas that of Titanite Sphene is 3.52-3.54.