Onyx and Diopside Physical Properties

Onyx

Diopside

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.22-3.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Indiscernible

Distinct/good on {110}

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

CaMgSi₂O₆

Onyx and Diopside Chemical Formula

While comparing Onyx and Diopside 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 Diopside chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Diopside- CaMgSi₂O₆

Compare Gems for Capricorn » More

Onyx Vs Crystal Quartz

Onyx Vs Quartz Smoky

Onyx Vs Hawks Eye

» More

More Compare Gems for Capricorn

Onyx and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Diopside Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.22-3.40 whereas that of Diopside is 3.22-3.40.