Wulfenite and Astrophyllite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.50-7.00
3.2-3.4
Fracture
Irregular, Brittle, Conchoidal
Uneven, Brittle, Metallic
Cleavage
On {011}, distinct; on {001}, {013}, indistinct
Perfect on [001] imperfect on [100]
Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Wulfenite and Astrophyllite Chemical Formula
While comparing Wulfenite 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 Wulfenite and Astrophyllite chemical formula.
- Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Wulfenite and Astrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wulfenite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.