Galena and Jade Physical Properties

Galena

Jade

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.232.90-3.38

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

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

1 or 2,2 prismatic.

1.7 Mohs Hardness

2.5-2.756-7

2 10

1.8 Chemical Composition

PbS

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Galena and Jade Chemical Formula

While comparing Galena and Jade 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 Jade chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Grey Gemstones

Galena Vs Clinochlore

Galena Vs Larvikite

Galena Vs Falcons Eye

Galena and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Jade Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.90-3.38 whereas that of Jade is 2.90-3.38.