General Information:
Chemical Formula:
TiO2
Composition:
(Molecular Weight = 79.88 gm)
Titanium 59.94 % Ti
Oxygen 40.06 % O
Empirical Formula:
TiO2
Locality:
Magnet Cove near Hot Springs, Arkansas, USA.
Name Origin:
Named after the English mineralogist, Henry James Brucke (1771-1857), a London mineralogist and wool trader.
Physical Properties:
Cleavage:
[120] Indistinct
Color:
brown, light brown, dark brown, dark reddish brown, or orange.
Density:
4.1 - 4.14, Average = 4.11
Diaphaniety:
Transparent to translucent to opaque
Habits:
Tabular - Form dimensions are thin in one direction., Platy - Sheet forms (e.g. micas).,
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luminescence:
None.
Luster:
Sub Metallic
Streak:
yellowish white
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