Sardonyx and Dumortierite Physical Properties

Sardonyx

Dumortierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.26-3.41

1 7.18

1.5 Fracture

Not Available

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

6.5-77-8.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

AlAl₆O₃BSi₃O₁₈

Sardonyx and Dumortierite Chemical Formula

While comparing Sardonyx and Dumortierite 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 Sardonyx and Dumortierite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

Compare Blue Gemstones

Sardonyx Vs Spinel

Sardonyx Vs Sodalite

Sardonyx Vs Star Ruby

Sardonyx and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.