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Dark-red mineral
Answer for the clue "Dark-red mineral ", 6 letters:
rutile
Alternative clues for the word rutile
Word definitions for rutile in dictionaries
WordNet
Word definitions in WordNet
n. a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium
Wikipedia
Word definitions in Wikipedia
Rutile is a mineral composed primarily of titanium dioxide , Ti O . Rutile is the most common natural form of TiO. Three rarer polymorphs of TiO are known: Anatase (sometimes known by the name "octahedrite"), a tetragonal mineral of pseudo-octahedral habit ...
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) The most frequent of the three polymorphs of titanium dioxide, crystalizing in the tetragonal system, titaniumoxygen 2 .
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Rutile \Ru"tile\ (r[udd]"t[i^]l), n. [L. rutilus red, inclining to golden yellow.] (Min.) A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like ...
Usage examples of rutile.
The arkansite variety occurs with rutile in the elaeolite-syenite of Magnet Cove in Hot Spring county, Arkansas.
Minute crystals of brookite have been detected with anatase and rutile in the iron-ore of Cleveland in Yorkshire.