Onyx and Anthophyllite Physical Properties

Onyx

Anthophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.9-3.5

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Indiscernible

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

SiO₂

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Onyx and Anthophyllite Chemical Formula

While comparing Onyx and Anthophyllite 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 Anthophyllite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Capricorn » More

Onyx Vs Crystal Quartz

Onyx Vs Hawks Eye

Onyx Vs Quartz Smoky

» More

More Compare Gems for Capricorn

Onyx and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.