Melanite and Barite Physical Properties

Melanite

Barite

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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

3.70-4.104.48

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Not Available

{010} Perfect, {210} Perfect, {010} Imperfect

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

BaSO4

Melanite and Barite Chemical Formula

While comparing Melanite and Barite 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 Melanite and Barite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Barite- BaSO4

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Melanite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Barite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 4.48 whereas that of Barite is 4.48.