Keilhauite

Keilhauite (also known as yttrotitanite) is a mineral of a brownish black color, related to titanite in form. It consists chiefly of silicon dioxide, titanium dioxide, calcium oxide, and yttrium oxide.

It differs from titanite only in that calcium is substituted by up to 12 percent (Y,Ce)2O3.

See also

Template:Mineral-stub

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