Onyx and Meionite Physical Properties

Onyx

Meionite

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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

2.55-2.702.78

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

{???} Distinct, {???} Indistinct

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Onyx and Meionite Chemical Formula

While comparing Onyx and Meionite 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 Meionite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

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Onyx and Meionite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Meionite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Meionite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.78 whereas that of Meionite is 2.78.