Moss Agate and Galena Physical Properties

Moss Agate

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.646.23

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-72.5-2.75

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

PbS

Moss Agate and Galena Chemical Formula

While comparing Moss Agate and Galena 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 Moss Agate and Galena chemical formula.

Chemical formula of Moss Agate- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Galena- PbS

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Moss Agate and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moss Agate and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moss Agate and Galena Optical Properties during the identification of gemstone. Specific gravity of Moss Agate is 6.23 whereas that of Galena is 6.23.