Galena and Chrome Tourmaline Physical Properties

Galena

Chrome Tourmaline

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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

6.232.85-3.35

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

3,2

1.7 Mohs Hardness

2.5-2.757-7.5

2 10

1.8 Chemical Composition

PbS

Tourmaline is a series of several different minerals with unique chemical formulas.

Galena and Chrome Tourmaline Chemical Formula

While comparing Galena and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Galena and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.