Vivianite and Snowflake Obsidian Physical Properties

Vivianite

Snowflake 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

2.64-2.702.33-2.50

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Not Available

Vivianite and Snowflake Obsidian Chemical Formula

While comparing Vivianite and Snowflake 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 Vivianite and Snowflake Obsidian chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Vivianite and Snowflake Obsidian Specific Gravity

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