Onyx and Clinochlore Physical Properties

Onyx

Clinochlore

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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

2.55-2.70

2.60-3.02

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Indiscernible

{001} Perfect

1.7 Mohs Hardness

6.5-7

2-2.5

1.8 Chemical Composition

SiO₂

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Onyx and Clinochlore Chemical Formula

While comparing Onyx and Clinochlore 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 Clinochlore chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Clinochlore- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

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Onyx and Clinochlore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Clinochlore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Clinochlore Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.60-3.02 whereas that of Clinochlore is 2.60-3.02.