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gemsworlds.blogspot.com

Gems World: Electrical Properties

http://gemsworlds.blogspot.com/2008/08/electrical-properties.html

Tuesday, August 12, 2008. And amber, when polished briskly with a cloth, will even develop enough of an electric charge to attract and hold small bits of paper. An electrical effect discovered by Pierre and Jacques Curie in France in 1880 is perhaps even more remarkable. These two physicists, studying the ability of crystals to conduct electricity, found that when certain crystals were squeezed they developed a measurable electrical charge. The phenomenon was later called " piezoelectricity.

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Welcome to Unique Business Solutions - Link To Us!

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Free Free Worldwide Web Index and Directory - Links : Page 1

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ffwid.net

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diamonddictionary.org

Diamonddictionary.org - Roberts-Victor Roberts-Victor Mine

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Skip to main navigation. Skip to 1st column. Skip to 2nd column. Monday, 29 October 2007. The name of the Roberts-Victor Mine, in the Republic of South Africa, was once applied to a grade of diamond. That was even finer in some respects than a /ager. The name still has some application in the trade; it refers to a diamond. With a very light-blue body color of medium to low intensity. Buy jewelry online now. Engagement jewelry Diamond Rings. Gemology info on Diamonds.

diamonddictionary.org

Diamonddictionary.org - DIAMOND L

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Skip to main navigation. Skip to 1st column. Skip to 2nd column. Lumpy Lunda lupren luster. Friday, 21 September 2007. Lumpy (or thick) stone. A cut dia­mond that is unnecessarily deep, re­sulting in a loss of brilliancy. Stones are cut in this manner to gain addi­tional weight from the rough, thus permitting them to be sold at lower per carat prices. Lumpy stones were common before the advent of the diamond. Lunda An important diamond. Bearing region in Angola. See angola. Ludwig Luebo Luembe River lumps.

diamonddictionary.org

Diamonddictionary.org - relative

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Skip to main navigation. Skip to 1st column. Skip to 2nd column. Monday, 29 October 2007. The proportion of Diamonds. To 27,-000,000 parts of blue ground. The famous Premier Mine yielded 27.80 carats per 100 loads in the same year, but approximately 70% of the pro­duction was of industrial quality. Buy jewelry online now. Engagement jewelry Diamond Rings. Gemology info on Diamonds. Is Free Software released under the GNU/GPL License.

diamonddictionary.org

Diamonddictionary.org - Home

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Skip to main navigation. Skip to 1st column. Skip to 2nd column. Monday, 29 October 2007. Rati (ratti, rutee). An Indian unit of gemstone weight. Formerly, this pea­like scarlet seed of the licorice family was used as a weight; about 1.75 grains Troy. Today, the rati equals 0.91 carats. Monday, 29 October 2007. Monday, 29 October 2007. A suburb of Tel Aviv where the main cutting center and diamond. Commercial area of Israel are located. See cutting centers. Monday, 29 October 2007. Monday, 29 October 2007.

diamonddictionary.org

Diamonddictionary.org - river

http://diamonddictionary.org/content/view/136/51

Skip to main navigation. Skip to 1st column. Skip to 2nd column. Monday, 29 October 2007. 1) An early trade term still used by some dealers to designate the finest color grade of Diamonds. Ie, an extraordinarily transparent, colorless stone. For an approximate comparison of this grade to those used in the color-grading systems of the Gemological Institute of America and the American Gem Society, refer to chart in Appendix entitled, Com­parison of Several Different diamond. Buy jewelry online now.

diamonddictionary.org

Diamonddictionary.org - Rietkuil

http://diamonddictionary.org/content/view/133/51

Skip to main navigation. Skip to 1st column. Skip to 2nd column. Monday, 29 October 2007. A minor alluvial diamond. Deposit in the Wolmaransstad area, Transvaal Province, Republic of South Africa. This mine produced approximately 300 carats during one 12-month period in the late 1950s. Buy jewelry online now. Engagement jewelry Diamond Rings. Gemology info on Diamonds. Is Free Software released under the GNU/GPL License.