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Astrophyllite
Astrophyllite

Shattuckite
Shattuckite



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Astrophyllite
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Shattuckite

Astrophyllite and Shattuckite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.2-3.43.80-4.15
Amber
1 7.18
1.5 Fracture
Uneven, Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on [001] imperfect on [100]
perfect along [010] and [100]
1.7 Mohs Hardness
33.5-4
Amber
2 10
1.8 Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Astrophyllite and Shattuckite Chemical Formula

While comparing Astrophyllite and Shattuckite 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 Shattuckite 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 Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Astrophyllite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.