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Iridescent colors seen in the pearly luster of an abalone shell are due to: A) refraction. B) diffraction. C) dispersion. D) polarization. E) interference. ... The reason diamonds display many colors is that: A) diamonds are extremely hard. B) a diamond reflects much more light than it absorbs. C) diamonds are forever.
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www.physics.sfsu.edu/~rrogers/Phys101/Phys101%20Fall%20...
www.physics.sfsu.edu/~rrogers/Phys101/Phys101%20Fall%2002/qz6_7.htm
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Other Names seen for Ammolite ... The pearly luster and iridescence found on abalone shells and mother-of-pearl (also called nacre) are due to aragonite. Pearls are created when oysters coat an ... Ammonite fossils with lovely colors presumably coming from preserved shell are also found in various places around the world.
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www.espyjewelry.com/index.cfm/fa/subcategories.main/par...
www.espyjewelry.com/index.cfm/fa/subcategories.main/parentcat/6442/subcatid/15040
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Although most pearls have that characteristic "pearly luster", only fine quality pearls have orient. It can also be present in the "mother of pearl" lining of shells, and is especially vivid in the shells of some species of abalone. ... The thickness of the preserved layers controls the colors that will be seen.
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www.bwsmigel.info/Lesson6/DE.Optical.Phenomena.html
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Their body colors can show overtones of green, pink, lavender, bronze or olive, and they commonly show a strong iridescent display of orient. The reason for their larger size is due to the fact the the oyster itself is larger, and has a bigger gonad which will accept a larger shell bead than the Akoya. ... Luster: Pearl...
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www.bwsmigel.info/GEOL.115.ESSAYS/Gemology.Saltwater.Pe...
www.bwsmigel.info/GEOL.115.ESSAYS/Gemology.Saltwater.Pearl.html
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Today natural pearl supplies have virtually ceased due to a lack of divers, ... The abalone pearl looks a bit like the abalone shell with iridescent blue and green colors. ... The shell portion of a mollusk can produce some exotic gem materials. Blister pearls develop in the shell and have a "pearly" luster and free form shape.
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www.ganoksin.com/borisat/nenam/cultured-pearls.htm
www.ganoksin.com/borisat/nenam/cultured-pearls.htm
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Luster - typical pearly luster is termed "orient" ... a variety of colors, depending upon the type of mollusc and the water composition (polluted water ... The typical irridescence of the pearl is due to the series of nacre layers. This is referred to as 'orient'(iridescent effect due to overlapping nacreous plates)
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socrates.berkeley.edu/~eps2/wisc/Lect17.html
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26. The after image of an object shows the complementary colors of the object. ... 38. Which of the following is due to refraction of light? ...
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www.physics.sfasu.edu/downing/ExampleTest2.htm
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Abalone Shell: Color: silvery white, to pink, red and green-red, deep blues, greens and purple with pearly luster; ... Abalone are large sea snails, the thick inner layer of their shells is composed of nacre or mother-of-pearl, which is highly iridescent, giving it a range of strong and changeable colors.
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www.desertrosecreations.biz/gemstone_meaning.html
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Phys 1210: Equation Sheets & Sample Exam Question ... Chapter 9 Atomic Physics 1. Which of these colors of light has photons of greatest energy? a) violet b)red c)green d) yellow e) blue...
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www.phys.unt.edu/courses/Music/Index/1210/EquationSheet...
www.phys.unt.edu/courses/Music/Index/1210/EquationSheetbackup.html
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