Astrophyllite and Baryte Barite Physical Properties

Astrophyllite

Baryte 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

3.2-3.44.43-4.46

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on [001] imperfect on [100]

Not Available

1.7 Mohs Hardness

33-3.5

2 10

1.8 Chemical Composition

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Astrophyllite and Baryte Barite Chemical Formula

While comparing Astrophyllite and Baryte 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 Astrophyllite and Baryte Barite chemical formula.

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Baryte Barite- BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Astrophyllite and Baryte Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Baryte Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Baryte Barite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 4.43-4.46 whereas that of Baryte Barite is 4.43-4.46.