Fuchsite and Obsidian Physical Properties

Fuchsite

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

2.77-2.882.35-2.60

1 7.18

1.5 Fracture

Uneven

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

Perfect basal

Not Available

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Not Available

Fuchsite and Obsidian Chemical Formula

While comparing Fuchsite 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 Fuchsite and Obsidian chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Fuchsite and Obsidian Specific Gravity

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