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topaz
topaz
topaz A nesosilicate mineral, Al
2SiO
4(OH,F)
2; sp. gr. 3.5–3.6;
hardness 8;
orthorhombic; colourless, pale yellow, pale blue, yellowish, or sometimes pink; often transparent; vitreous
lustre; crystals are
prismatic and often
bipyramidal with the vertical faces striated, but it can also be
massive and granular;
cleavage perfect basal {001}; typically occurs in
granite pegmatites,
rhyolite, and
quartz veins, and extensively as an
accessory mineral in granites, associated with
fluorite,
tourmaline,
beryl, and
cassiterite, also in
alluvial deposits. It is associated with pneumatolytic action (see
PNEUMATOLYSIS) and is a constituent of greisen. The original cairngorms (see
QUARTZ) were topaz crystals. It is named after Topazos Island in the Red Sea.
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Topaz Simplify; Topaz Adjust; Topaz Denoise; Topaz Vivacity Plug-ins to Adobe Photoshop[R], Adobe Photoshop[R] Elements, PaintShop Pro Topaz Labs LLC.
Magazine article from: PSA Journal; 4/1/2009; ; 700+ words
; Topaz Simplify; Topaz Adjust; Topaz Denoise; Topaz Vivacity Plug-ins to Adobe Photoshop[R], Adobe Photoshop[R] Elements, PaintShop Pro Topaz Labs LLC Windows and Macintosh http://www.topazlabs.com/ Pricing: see below. [FIGURE...
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Topaz Sport needs punch
Newspaper article from: Chicago Sun-Times; 5/10/1986; ; 700+ words
; ...really goofed when it came to the Mercury Topaz GS Sport. The car is billed as a performance version of the regular Topaz - a comfortable, capable, but mostly unexciting auto. Eighty percent of Topaz GS Sport buyers order the car in two-door...
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Topaz blue & Deja Vu: the issue concerning blue topaz and other irradiated gems today isn't so much the radiation used to turn colorless topaz blue. Rather, it's about nuclear regulatory commission (NRC) licensing requirements.(Industry News)
Magazine article from: JQ; 9/1/2007; ; 700+ words
; ...any facility that irradiates gems--including topaz--in a nuclear reactor must have an NRC license...separate license to import or distribute irradiated topaz in the U.S. Most irradiated blue topaz sold in the United States in recent years has...
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TOPAZ Technologies Announces SoBran Inc. as New Customer.
PR Newswire; 10/27/2009; 700+ words
; SoBran Inc. Selects TOPAZ Technologies' GRANITE and Animal Protocols...Texas, Oct. 27 /PRNewswire/ -- TOPAZ Technologies, a leading provider of medical...medical research professionals will use TOPAZ Technologies' GRANITE and Animal Protocols...
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Dudu Topaz arrested for ordering attacks on TV execs
Newspaper article from: Jerusalem Post; 6/1/2009; ; 700+ words
; ...Jerusalem Post 06-01-2009 Headline: Dudu Topaz arrested for ordering attacks on TV execs...Page: 01 Monday, June 1, 2009 -- Dudu Topaz, one of Israel's leading television...and Sunday on suspicion of carrying out Topaz's orders. "We think Topaz did it because...
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Topaz indicted in string of vicious assaults. Disgraced entertainer is 'dangerous man, major criminal,' prosecutor says
Newspaper article from: Jerusalem Post; 6/19/2009; ; 688 words
; ...Jerusalem Post 06-19-2009 Headline: Topaz indicted in string of vicious assaults...Disgraced television entertainer Dudu Topaz and three accomplices were served with...high-profile media figures who rejected Topaz's ideas for television programs. Topaz...
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Topaz on 'strong platform' this year.
Magazine article from: Gulf Industry; 3/1/2009; 700+ words
; Topaz Energy and Marine Limited says higher business...under class society certification, he said. Topaz has in total more than 18 boats under construction...Response Vessel (ERRV) MV Baki, part of Topaz's Caspian fleet, successfully conducted...
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Topaz physically attacks 'Ma'ariv' critic's face
Newspaper article from: Jerusalem Post; 6/5/1995; ; 502 words
; ...05-1995 TELEVISION entertainer Dudu Topaz was accused Friday of attacking a journalist...Reshut Habidur program on Channel 2. "Topaz ripped my glasses off, broke them, scratched...the new Israeli film Eitz Hadomim, when Topaz turned to him and said: "Are you Mr...
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Topaz Lake.
Magazine article from: Trailer Boats; 7/1/2000; ; 700+ words
; ...at an altitude of about 5000 feet lies Topaz Lake, a trailer-boater's dream destination...or eight from Los Angeles, California. Topaz offers lots to do. For one, there's...ca-ching" is music to your ears, the Topaz Lodge and Casino on the Nevada side of...
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Topaz's Mopu project advances.
Magazine article from: Gulf Industry; 5/1/2009; 700+ words
; Topaz Fabrication and Construction Company says...to be completed by late summer. In 2008, Topaz delivered an LNG loading module for a major...regional LNG offshore facilities project. Topaz executed several technically sophisticated...
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The Topaz Group, Inc
Book article from: International Directory of Company Histories
The Topaz Group, Inc. 126/1 Krungthonburi Road...Jewelry (Except Costume Manufacturing) The Topaz Group, Inc., a vertically integrated manufacturing...amethysts, emeralds, rubies, sapphires, and topaz. The company is comprised of three Thailand...
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topaz
Book article from: The Columbia Encyclopedia, Sixth Edition
topaz , aluminum silicate mineral with either hydroxyl...and become permanently pink ( "pinked" topaz). The stone is transparent with a vitreous...durable. The brilliant cut is commonly used. Topaz crystals, which are of the orthorhombic...
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Tunnell, Michael O('Grady) 1950-
Book article from: Something About the Author
...Award Master List, all 1997-98, all for The Children of Topaz; Parents' Choice Gold Award, and Child magazine Best Book...NY), 1993. (With George W. Chilcoat) The Children of Topaz: The Story of a Japanese-American Internment Camp Based on...
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gemstones
Book article from: The Oxford Companion to the Earth
...zircon is often revealed by chipping on its facet edges, while topaz will readily split along its perfect basal cleavage. The most...grained rocks are the source of beryl, corundum, tourmaline, topaz, and many other precious stones. Garnet, emerald, jade...
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Gemstones
Book article from: Chemistry: Foundations and Applications
...x2022; CaF 2 5 Feldspar K 2 Al 2 Si 6 O 16 6 Quartz SiO 2 7 Topaz Al 2 SiO 4 F 2 8 Corundum Al 2 O 3 9 Diamond C 10 ions, which...hardness scale. Most aquamarine gemstones come from Brazil. Topaz is a rather rare silicate mineral with a Mohs' hardness of
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