Titanium Ore
Titanium mineral occurs as translucent to transparent, reddish brown, gray, yellow, green, or red monoclinic crystals. These crystals are typically sphenoid (from the Greek sphenos, meaning wedge) in habit and are often twinned.
Titanium mineral occurs in metamorphic rocks such as gneiss and schists and also in granular limestones and granite.
Possessing a subadamantine tending to slightly resinous lustre, titanite has a hardness of 5.5 and a weak cleavage.
Its specific gravity varies between 3.52 and 3.54.
Titanites refractive index is 1.885-1.990 to 1.915-2.050 with a strong birefringence of 0.105 to 0.135 (biaxial positive).
Transparent specimens are noted for their strong trichroism, the three colours presented being dependent on body colour.
Owing to the quenching effect of iron, sphene exhibits no fluorescence under UV. Some titanite has been found to be metamict.
Titanite is a source of TiO2 used in pigments and is admired as a gemstone when suitably free of flaws.
Sourced from a number of Brazilian mining operators with which we have well established volume long term purchasing agreements, the Titanium ore grades we market consist on two mineral ore variations known as Titanite and Rutile, typically containing a high net percentage of Titanium element in weight.
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