Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2007-R.Weller


Mineral Information on:

Chemical Group:  silicate

Chemical Formula: 
(K,Na)(Na,Fe+3) 2 (Li,Fe+3)Si12O30

Color: magenta to purple, light to dark                                                                        


Hardness:   5.5 to 6                Specific Gravity:  2.74                 Fracture: granular

Cleavage:  none           Luster:  waxy        Transparency: opaque to semi-transparent


Crystal Forms: rare, prismatic

Mineral Associations:

Identifying Characteristics:  color and location

Uses:  as a gemstone

WORLD-WIDE locations
     Madhya Pradesh
South Africa
     Wessels Mine, Hotazel, Kuruman district, Cape Province (major deposit)

Additional Information:
Shows color change. Bluish-purple in sunlight, reddish purple in incandescent light.

Also known as Royal Lavulite or Royal Azel