Look up: tourmaline

1. Tourmaline
   HMS Tourmaline (formerly the Berkshire) was a British armed trawler of 641 tons displacement launched in 1935 and used by the British navy during the Second World War for anti-submarine training. HMS Tourmaline had a top speed of 12 knots and was armed with one 4-inch gun and depth charges.
   Found on http://www.probertencyclopaedia.com/brow
   
   
2. tourmaline
   [n] - a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. tourmaline
   a semiprecious mineral occuring crystallized and used as a gem.A black variety called schorl is the most common,rubellite is a pinkish or red variety Category: Various industries and crafts
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. Tourmaline
   Tour'ma·line noun [ French tourmaline , confer Italian turmalina , tormalina , New Latin turmalina , turmalinus ; all from tournamal , a name given to this stone in Ceylon.] (Min.) A mineral occurring ...
   Found on http://www.encyclo.co.uk/webster/T/76
   
   
5. tourmaline
   <chemical> A mineral occurring usually in three-sided or six-sided prisms terminated by rhombohedral or scalenohedral planes. Black tourmaline (schorl) is the most common variety, but there are also other varieties, as the blue (indicolite), red (rubellite), also green, brown, and white. The r...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. tourmaline
   noun a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. Tourmaline
   • (n.) A mineral occurring usually in three-sided or six-sided prisms terminated by rhombohedral or scalenohedral planes. Black tourmaline (schorl) is the most common variety, but there are also other varieties, as the blue (indicolite), red (rubellite), also green, brown, and white. The red an...
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. tourmaline
   borosilicate mineral of complex and variable composition. Three types of tourmaline, distinguished by the predominance of certain elements, are ... [4 related articles]
   Found on http://www.britannica.com/eb/a-z/t/66
   
   
9. tourmaline
   tourmaline (toor'mulin, –lēn) , complex borosilicate mineral with varying amounts of aluminum, iron, magnesium, sodium, lithium, potassium, and sometimes other elements, used as a gem. It occurs in prismatic crystals, commonly three-sided, six-sided, or nine-sided, and striated verti...
   Found on http://www.infoplease.com/ce6/sci/A08491
   
   
10. Tourmaline
    Tourmaline is the most commonly found in granite pegmatites. It is usually black in colour, but lighter coloured gem varieties are also found. It occurs usually in three-sided or six-sided prisms terminated by rhombohedral or scalenohedral planes. Black tourmaline (schorl) is the most common variety...
    Found on http://www.probertencyclopaedia.com/brow
    
    
11. tourmaline
    Hard, brittle mineral, a complex silicate of various metals, but mainly sodium aluminium borosilicate. Small tourmalines are found in granites and gneisses. The common varieties range from black (schorl) to pink, and the transparent gemstones may be colourless (achromatic), rose pink (rubellite), gr...
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12. Tourmaline
    `Tourmaline` is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gem comes in a wide variety of colors. The name comes from the Sinhalese word "Thuramali" (...
    Found on http://en.wikipedia.org/wiki/Tourmaline
    
    
13. Tourmaline
    (band) `Tourmaline` is an American rock band from, New Jersey. Formed in June 2004, the band consists of Matt Rauch (lead vocals, guitar), Zach Inkley (bass), Corey Zaloom – (synthesizer, piano) Ryan Baredes (lead guitar), and Rob Pratola (drums). They have released two albums. Stra...
    Found on http://en.wikipedia.org/wiki/Tourmaline