Shattuckite and Obsidian Physical Properties

Shattuckite

Obsidian

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.152.35-2.60

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

perfect along [010] and [100]

Not Available

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Shattuckite and Obsidian Chemical Formula

While comparing Shattuckite and 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 Shattuckite and Obsidian chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Shattuckite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.