Nosean and Sheen Obsidian Physical Properties

Nosean

Sheen 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

2.30-2.402.33-2.50

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{110} Perfect

Not Available

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Not Available

Nosean and Sheen Obsidian Chemical Formula

While comparing Nosean 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 Nosean and Sheen Obsidian chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

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Nosean and Sheen Obsidian Specific Gravity

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