Rutilated quartz is a variety of quartz which contains acicular inclusions of rutile. It is used for gemstones. These inclusions mostly look golden, but they also can look silver, copper red or deep black.

What does the word Rutilated mean?

rutilated. / (ˈruːtɪˌleɪtɪd) / adjective. (of minerals, esp quartz) containing needles of rutile.

What are uses of rutile?

As a source of titanium dioxide pigment, rutile is used in plastics, paper products, paints, sunscreen, and even food coloring.