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Lepidolite
Lepidolite

Astrophyllite
Astrophyllite



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Lepidolite
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Astrophyllite

Lepidolite and Astrophyllite 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
2.80-2.903.2-3.4
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Brittle, Metallic
1.6 Cleavage
{001} perfect
Perfect on [001] imperfect on [100]
1.7 Mohs Hardness
2.53
Amber
2 10
1.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Lepidolite and Astrophyllite Chemical Formula

While comparing Lepidolite and Astrophyllite 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 Lepidolite and Astrophyllite chemical formula.

  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Lepidolite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidolite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidolite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Lepidolite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.