General Information:
Chemical Formula:Ca3(Ti,Al,Zr)9O20
Environment:Nepheline-syenite rocks.
Locality:Lake Magad, Rift Valley, Tanganyika Territory, Kenya, East Africa.
Name Origin:Named for Alfred Louis Johannes Uhlig (1883-1919), German geologist, leader of the African expedition in which the material was first collected.
Physical Properties: Cleavage:[001] Imperfect
Color:black.
Density:4.15
Diaphaniety:Subtranslucent to opaque
Hardness:5.5 - Knife Blade
Luster:Metallic
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