Home
Gemstones


Astrophyllite and Rubellite Physical Properties


Rubellite and Astrophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
3.01-3.06   

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

Cleavage
Perfect on [001] imperfect on [100]   
Not Available   

Mohs Hardness
3   
7-7.5   

Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
<< Astrology

Astrophyllite and Rubellite Chemical Formula

While comparing Astrophyllite and Rubellite 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 Rubellite chemical formula.

Compare Green Gemstones

Astrophyllite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.

Green Gemstones

Green Gemstones


Compare Green Gemstones