Roger Weller, geology instructor
[email protected]
copyright 2007-R.Weller
Mineral
Information on:
sugulite
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
Occurrences:
WORLD-WIDE locations
Japan
India
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