Galena and Gahnite Physical Properties

Galena

Gahnite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.234.00-4.62

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Conchoidal, Uneven

1.6 Cleavage

Cubic perfect on [001], parting on [111]

Indistinct parting on [111]

1.7 Mohs Hardness

2.5-2.757.5-8

2 10

1.8 Chemical Composition

PbS

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Galena and Gahnite Chemical Formula

While comparing Galena and Gahnite 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 Galena and Gahnite chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Grey Gemstones

Galena Vs Falcons Eye

Galena Vs Larvikite

Galena Vs Clinochlore

Galena and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Galena is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.