Spodumene and Onyx Physical Properties

Spodumene

Onyx

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.55-2.70

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

Indiscernible

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

LiAlSi₂O₆

SiO₂

Spodumene and Onyx Chemical Formula

While comparing Spodumene and Onyx 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 Spodumene and Onyx chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Onyx- SiO₂

Compare Green Gemstones

Spodumene Vs Titanite Sphene

Spodumene Vs Tektite

Spodumene Vs Tavorite

Spodumene and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Onyx Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.55-2.70 whereas that of Onyx is 2.55-2.70.