Geikielite

General Information:
 Chemical Formula:
MgTiO3
 Composition:
(Molecular Weight = 120.18 gm)
Magnesium 20.22 % Mg
Titanium 39.84 % Ti
Oxygen 39.94 % O 
 Empirical Formula:
MgTiO3
 Locality:
Gem gravels of the Rakwana district, Ceylon.
Physical Properties:
 Cleavage:
[1011] Distinct
 Color:
bluish black or brownish black.
 Density:
4
 Diaphaniety:
Translucent to opaque
 Hardness:
6 - Orthoclase
 Luster:
Sub Metallic
 Streak:
purple brown
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