Plumbogummite and Sheen Obsidian Physical Properties

Plumbogummite

Sheen Obsidian

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.33-2.50

1 7.18

1.5 Fracture

Uneven, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

4-55-5.5

2 10

1.8 Chemical Composition

Not Available

Plumbogummite and Sheen Obsidian Chemical Formula

While comparing Plumbogummite and Sheen Obsidian 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 Plumbogummite and Sheen Obsidian chemical formula.

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Plumbogummite and Sheen Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Sheen Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Sheen Obsidian Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 2.33-2.50 whereas that of Sheen Obsidian is 2.33-2.50.