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Topic: Rutile


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In the News (Sat 20 Jul 19)

  
  Rutile - Wikipedia, the free encyclopedia
Rutile in trellis texture characteristic of secondary rutile.
Rutile is a mineral composed dominantly of titanium dioxide, TiO
Rutile is the most stable form of titanium dioxide on the macroscopic scale and is produced at the highest temperatures, with brookite being formed at lower temperatures and anatase being formed at still lower temperatures.
en.wikipedia.org /wiki/Rutile   (484 words)

  
 rutile.htm
FOREST COUNTY: Rutile is a "heavy" mineral in the McCaslin quartzite exposed in Forest and adjacent Langlade, Marinette and Oconto Counties.
MARATHON COUNTY: Rutile occurs abundantly in the pockets of the pegmatites of the Nine Mile Pluton, such as are exposed in the "rotten granite" quarries south of Rib Mountain.
SAUK COUNTY: Rutile occurs as a microscopic "heavy" mineral in the Baraboo Quartzite (Becker, 1931).
www.uwrf.edu /~wc01/rutile.htm   (337 words)

  
 NationMaster - Encyclopedia: Rutile   (Site not responding. Last check: 2007-10-22)
As a secondary mineral, rutile in the form of minute needles is of wide distribution in various sedimentary rocks, especially clays and slates.
Rutile has a sub-conchoidal fracture, is brittle, has a metallic-adamantine lustre, and is generally reddish brown but also sometimes yellowish, bluish, or violet.
Rutile is the most stable form of titanium dioxide and is produced at the highest temperatures, with brookite being formed at lower temperatures and octahedrite being formed at still lower temperatures.
www.nationmaster.com /encyclopedia/Rutile   (1443 words)

  
 Rutile   (Site not responding. Last check: 2007-10-22)
Rutile has a sub-conchoidal fracture, is brittle, has a metallic-adamantine lustre, and is commonly reddish brown but alsosometimes yellowish, bluish, or violet.
Rutile is the most stable form of titanium dioxide and is produced at the highest temperatures, with brookitebeing formed at lower temperatures and octahedrite being formed at still lower temperatures.
Rutile is found as an accessory mineral in many kinds of igneous rocks,and to some extent in gneisses and schists.In groups of acicular crystals it is frequently seen penetrating quartz as in the "fl├ęches d'amour" from Grisons, Switzerland.
www.therfcc.org /rutile-131226.html   (289 words)

  
 RUTILE (Titanium Oxide)
Rutile is a major ore of titanium, a metal used for high tech alloys because of its light weight, high strength and resistance to corrosion.
Rutilated quartz is sometimes used as a semi-precious stone and/or for carvings.
Twinning is common in rutile crystals, with a cyclic twin forming that is comprised of six or even eight "twins" arranged in a circle.
mineral.galleries.com /minerals/oxides/rutile/rutile.htm   (384 words)

  
 Rutile   (Site not responding. Last check: 2007-10-22)
rutile, a tetragon al mineral usually of prismatic habit, often twinned;
Rutile is found as an accessory mineral in many kinds of igneous rock s, and to some extent in gneiss es and schist s.
In groups of acicular crystal s it is frequently seen penetrating quartz as in the "fléches d'amour" from Grisons, Switzerland.
www.serebella.com /encyclopedia/article-Rutile.html   (477 words)

  
 Rutile Quartz Crystal - www.bestcrystals.com
Rutilated Quartz is identified as quartz crystal containing rutile crystals growing within it.
The chemical composition of rutile is titanium dioxide, and occurs as "hairs" or thin, straight crystals, with a metallic lustre.
Metaphysical Properties: Rutilated quartz is known to intensify the power of the quartz crystal.
www.bestcrystals.com /rutile.html   (92 words)

  
 Rutile - LoveToKnow 1911   (Site not responding. Last check: 2007-10-22)
RUTILE, the most abundant of the three native forms of titanium dioxide (T102); the other forms being anatase and brookite.
The colour is usually reddish-brown, though yellowish in the very fine needles, and fl in the ferruginous varieties ("nigrine" and "ilmenorutile"): the streak is pale brown.
The name rutile, given by A. Werner in 1803, refers to the colour, being from the Latin rutilius (red).
65.1911encyclopedia.org /R/RU/RUTILE.htm   (444 words)

  
 Rutile - LoveToKnow 1911
As delicate acicular crystals it is often enclosed in mica and quartz: in mica (q.v.) it gives rise to the phenomenon of asterism; and clear transparent quartz (rock-crystal) enclosing rutile is often cut as a gem under the name of "Venus' hair stone" (Veneris crinis of Pliny).
Larger crystals occur in the cavities of granite and crystalline schists; very large twinned crystals have been found at Graves Mountain in Lincoln (disambiguation)Lincoln county, Georgia, and good specimens have been obtained from several places in Norway and the Swiss and Tirolese Alps.
As rounded grains it is often met with in auriferous sands and gravels.
www.1911encyclopedia.org /Rutile   (444 words)

  
 Rutile: Rutile mineral information and data.
Rutile is one of the four forms of Titanium Dioxide found in nature.
Oriented microscopic needles of rutile are frequently observed in corundum, pseudobrookite, phlogopite, and quartz.
Smith, D.C. and Perseil, E.-A. (1997) Sb-rich rutile in the manganese concentrations at St. Marcel-Praborna, Aosta Valley, Italy: petrology and crystal-chemistry.
www.mindat.org /min-3486.html   (539 words)

  
 Mineral Gallery - RUTILE GROUP
Rutile and cassiterite are the most important ores of titanium and tin respectively.
The structure is composed of parallel chains of octahedrons composed of the M ion surrounded by six oxygens.
Another important characteristic of the Rutile Group is its ease of twinning.
mineral.galleries.com /minerals/oxides/rutile.htm   (294 words)

  
 SAI -- Polished Rutile & Tourmaline Included Quartz
This is a top-notch rutile specimen that has the rutile flower beginning on the bottom of this half-polished ultra clear polished quartz point.
This is a very clear light smoky rutilated quartz freeform that measures 2.5 x 2.25 x 1.25 inches and weighs 150 grams.
This is an incredible domed piece of polished quartz that has exquisite rutile formations in it which measures 3.25 x 3.25 x 2.25 inches and weighs 597 grams.
www.saimport.com /forsale/1-includedrutile.htm   (981 words)

  
 Rutile Page. Quartz 'N' All - High Quality Crystals, Minerals and Fossils
Rutile is an ore of titanium and a high temperature form of titanium dioxide.
Rutile is a primary mineral in igneous rocks and high temperature metamorphic rocks.
Rutile is collected for its attractive twins and multiple inter-growths, though gem quality crystals, found at Minas Gerais, Brazil, are extremely rare.
www.quartznall.co.uk /learnrutile.htm   (412 words)

  
 Rutile
Rutile is a common accessory mineral in intermediate to mafic igneous rocks, and in many metamorphic rocks.
Rutile has very high birefringence but the color of the grain is so strong that its interference colors don't show (XP).
The PP view shows biotite in various shades of brown, clear quartz, and light yellow brown twinned rutile.The rutile is rimmed by an opaque mineral, probably magnetite.
www.und.nodak.edu /instruct/mineral/320petrology/opticalmin/rutile.htm   (359 words)

  
 Thaigem.com | Info Center | A-Z Gemstones | From Gemology To Mythology Learn More About Rutile At Our A-Z Gemstones
Rutile is regarded by crystal healers as useful tool for healing and balancing the aura by repelling negative energy.
Rutile is one of the three forms of Titanium Dioxide found in nature and is used in high tech alloys, paint pigments, porcelain and false teeth because of its light weight, high strength and high-resistance.
Rutile inclusions in Quartz are produced when temperatures cool and pressure eases causing Rutile crystals to be trapped inside the Quartz crystals.
www.thaigem.com /infocenter/buyer_guides/a-z_gemstones/rutile.asp   (444 words)

  
 Rutile and ilmenite in Australia
Rutile is used in the manufacture of titanium dioxide pigment.
In Australia most rutile is produced from ilmenite as it naturally occurs in accessible high concentrations and in a form which allows the ready extraction of the rutile.
Rutile in 1999 was worth A$750 per tonne (zircon around $560 per tonne), ilmenite around $120 per tonne.
www.chemlink.com.au /titan_rutile.htm   (2975 words)

  
 Send to a Friend - IPS Inter Press Service
Recently, the rutile sector received a boost when the European Union allocated almost 31 million dollars to fund the resumption of mining in southern Sierra Leone by the Sierra Rutile company.
Prior to the conflict, rutile exports were a top earner for the government, netting 75 million dollars in revenue in 1990 alone.
Rutile is used mainly for paint pigmentation and welding rod coating.
www.ipsnews.net /sendnews.asp?idnews=25037   (757 words)

  
 Highbeam Encyclopedia - Search Results for rutile   (Site not responding. Last check: 2007-10-22)
Rutile is found in igneous and metamorphic rocks, chiefly in Switzerland, Norway, Brazil,
Ilmenite, rutile, and yirconium are extracted from the titanium ore mined nearby.
Titanium dioxide is trimorphous; its three forms are brookite, anatase (or octahedrite), and rutile.
www.encyclopedia.com /articles/11263.html   (425 words)

  
 Bixbyite, Rutile, and Amethyst Crystals near Marysvale - Utah Geological Survey
The crystals, which are found in cavities in the rhyolite, formed in gas pockets that were trapped in the lava flow as it cooled.
Rutile is less common and appears as needle-like or bladed crystals up to 1/4 inch long.
The small size of the bixbyite and rutile is more than compensated for by the excellent crystal forms of these relatively rare minerals.
geology.utah.gov /utahgeo/rockmineral/collecting/rkhd0598.htm   (580 words)

  
 Rutile Pendant $27.00
Natural rutile has many times the fire shown by the diamond, but it is masked by the red, brown or fl body color.
Rutile is most commonly seen as rich, reddish brown, needlelike inclusions within quartz or other stones where the rutile crystals create a star efect by reflecting light.
Rutile (and Rutilated quartz) is considered to contain the perfect balance of light - illuminating the soul and opening the path for greater spiritual awareness.
www.crystal-cure.com /jewelry-rutile3.html   (123 words)

  
 Rutile- Carving Buried Treasure: Lapidary Journal Step by Step Workshop
I have cut hundreds of pieces of rutilated quartz, from thumbnail size to an 800-pound crystal, and I have found two things to be consistently true.
In addition to rutile, there are other interesting needles that occur in quartz, such as tourmaline and epidote, which pose similar challenges and rewards.
There is wispy, hair-like rutile, thick golden rods of rutile, straight green or fl tourmaline, long, thick bamboolike epidote crystals, beautiful blue actinolite and riebeckite, as well as the popular gold rutile.
www.stepbystepbeads.com /jj/1198jj.cfm   (456 words)

  
 rutile - Hutchinson encyclopedia article about rutile   (Site not responding. Last check: 2007-10-22)
It is usually reddish brown to fl, with a very bright (adamantine) surface lustre.
Rutile is common in a wide range of igneous and metamorphic rocks and also occurs concentrated in sands; the coastal sands of eastern and western Australia are a major source.
It is also used as a pigment that gives a brilliant white to paint, paper, and plastics.
encyclopedia.farlex.com /rutile   (113 words)

  
 Rutilated Quartz Mineral Specimens and Crystals at mineralminers.com
This large chunk of rutilated quartz rough is absolutely colorless, and over 80% of its interior is flawless rock crystal quartz with lots of long curving silver rutile "needles" passing thru it.
This piece of rutilated quartz rough is absolutely colorless, and over 95% of its interior is flawless rock crystal quartz with long curving silver rutile "needles" passing thru it.
This piece of rutilated quartz crystal rough is completely colorless, and over 90% of its interior is flawless rock crystal quartz with long curving silver rutile "needles" passing thru it.
www.mineralminers.com /html/rtqmins.stm   (760 words)

  
 rutile
Rutile is not overly abundant, but it is fairly widespread.
All of this indicates a rate law based on slow nucleation and rapid growth, as well as the principle that the atomic mechanism is not modified by particle size or temperature despite the rapid kinetics in finely crystalline aggregates.
Since the anatase and rutile structures have no polymerized octahedral fragments in common, this could possibly be significant in determining the nature of the nucleated phase.
www.und.edu /instruct/mineral/geol318/webpage/samson   (1278 words)

  
 Consolidated Rutile Ltd (CRT on ASX).   (Site not responding. Last check: 2007-10-22)
Consolidated Rutile (CRT:ASX) - dredges alluvial mineral sand placers in Australia to produce placer titanium minerals and placer rutile, and at pre-feasibility stage with alluvial mineral sand placers in Sri Lanka.
Consolidated Rutile is undertaking a pre-feasibility study for dredging directly from the Ibis Mine into the Enterprise mineral sands.
Non-conductors from the rutile separation plant are sent down a bank of ten spirals and eight wet tables to separate more middlings material.
www.mine.mn /Placer_Stockfile_Consolidated_Rutile.htm   (816 words)

  
 Russian Science News
The rutile mineral is found in nature, it mainly consists of titanium dioxide.
The researchers suggest that rutile should be educed from the so-called leucoxene petroliferous sandstones of the Yaregskoye deposit, which was previously considered absolutely hopeless for obtaining titanium dioxide.
As for silicon dioxide remaining with rutile in thin conglutination, it is much easier to remove - it is washed out of rutile by alkali solution.
www.informnauka.ru /eng/2005/2005-08-19-5_60_e.htm   (653 words)

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