Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A lustrous red, reddish-brown, or black mineral, TiO2, used as a gemstone, as an ore, and in paints and fillers.
from The Century Dictionary.
- noun One of the three forms in which titanium dioxid occurs in nature. (See also
octahedrite and brookite.)
from the GNU version of the Collaborative International Dictionary of English.
- noun (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 octahedrite and brookite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy The most frequent of the three
polymorphs oftitanium dioxide , crystalizing in thetetragonal system,Ti O 2.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
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Examples
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The star sapphire does, not the rutile that causes it.
Update amberfocus 2008
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A recent increase in political stability has led to a revival of economic activity such as the rehabilitation of bauxite and rutile mining.
Sierra Leone 2009
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Ilmenite (FeTiO3) and rutile (TiO2) are the most important sources of titanium.
Titanium 2008
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Most heavy-mineral sands also have a high content of titanium-bearing minerals, such as ilmenite and rutile.
Zirconium 2008
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The estimated resources of rutile in the world contain about 230 million tons of titanium dioxide.
Titanium 2008
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Mining of bauxite and titanium dioxide (rutile) in the southeast has resulted in forest loss, with the subsequent dredging leaving large bodies of deep water polluted with heavy metals.
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A recent increase in political stability has led to a revival of economic activity such as the rehabilitation of bauxite and rutile mining.
Economy-overview 2008
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The sand is siliceous and, as with other sand masses on the New South Wales north coast, contains significant quantities of the heavy minerals rutile, zircon and ilmenite.
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A recent increase in political stability has led to a revival of economic activity such as the rehabilitation of bauxite and rutile mining.
Sierra Leone 2008
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Grains of other weathering-resistant minerals (such as garnet, rutile, ruby, sapphire, zircon, etc.) are often found in quartz sand as well.
Sand and gravel 2008
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And the unexpected addition of the rutilated quartz, with its needle-like inclusions of bright, coppery rutile (a mineral composed of titanium dioxide) truly sets this piece apart.
Frosty Fabergé and an emerald from the Atocha Monica McLaughlin 2022
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