Home
Gemstones


Astrophyllite and Creedite Physical Properties


Creedite and Astrophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
2.70   

Fracture
Uneven, Brittle, Metallic   
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Perfect on [001] imperfect on [100]   
Perfect on {100}   

Mohs Hardness
3   
4.5   

Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Astrophyllite and Creedite Chemical Formula

While comparing Astrophyllite and Creedite 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 Creedite chemical formula.

Compare Green Gemstones

Astrophyllite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 2.70 whereas that of Creedite is 2.70.

Green Gemstones

Green Gemstones


Compare Green Gemstones