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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi Cortney,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Just as there is variability in the colors of kunzites there is variability in their light-fading sensitivity. Those two variabilities arise for similar reasons – differences in energy gaps between various electron ‘traps’ (see Nassau 1992 In: F. Howie (ed.) Care and Conservation of Geological Material: Minerals, Meteorites and Lunar Finds. Butterworth Heinemann, London, 1992).<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Knowing the locality and collection date could lead to less uncertainty in predicting light fading rate for your specimen – if you can draw on specific experience from another collection – but it will not lead to certainty.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>So what can we say?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>It would be prudent to ensure there is no UV (even though it is not certain that this would reduce fading it is the sensible precautionary thing to do).<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Have the specimen illuminated by visitors activating the specimen light only while viewing. This is probably the most effective and cost-effective conservation measure.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>It would be sensible to not have higher light levels than necessary for viewers to appreciate the specimen.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Monitor the color of the specimen carefully and reduce exposure before a ‘just noticeable fade’ is realized. Measuring the color of a transparent stone is far from easy and depends on what equipment you have available. We could discuss off line.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Best,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Rob<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>Robert Waller, PhD, CAPC, FIIC<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>President and Senior Risk Analyst<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>Protect Heritage Corp.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>622 Simoneau Way<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>Ottawa ON K4A 1P4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>email: </span><span style='color:#1F497D'><a href="mailto:rw@protectheritage.com"><span lang=EN-CA style='color:#0563C1'>rw@protectheritage.com</span></a></span><span lang=EN-CA style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>internet: </span><span style='color:#1F497D'><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.protectheritage.com_&d=AwMFAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=5P1k5N5Q1c69VA8PFMH1qZIZZ8zSCv1KcavsgT1zgLk&s=dfF-O40QHe4JmzR4ktZJKUQS82UsWppBdlQDc9ZZDDQ&e="><span lang=EN-CA style='color:#0563C1'>www.protectheritage.com</span></a></span><span lang=EN-CA style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>phone: 613-883-2707 (Canada)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>phone: 303-872-9739 (USA)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>skype: rrwaller<o:p></o:p></span></p><p class=MsoNormal><i><span lang=EN-CA style='color:#1F497D'>and, </span></i><span lang=EN-CA style='color:#1F497D'>Research Associate, Canadian Museum of Nature<o:p></o:p></span></p><p class=MsoNormal><i><span lang=EN-CA style='color:#1F497D'>and,</span></i><span lang=EN-CA style='color:#1F497D'> Adjunct Assistant Professor, Queen’s University<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'> </span><span style='color:#1F497D'><img border=0 width=83 height=27 id="Picture_x0020_1" src="cid:image001.png@01D1068F.B0A52D00"></span><span lang=EN-CA style='color:#1F497D'> </span><span style='color:#1F497D'><img border=0 width=95 height=29 id="_x0000_i1028" src="cid:image002.jpg@01D1068F.B0A52D00" alt="http://nature.ca/images/logo_e.jpg"></span><span style='color:#1F497D'> <span lang=EN-CA> </span></span><span style='color:#1F497D'><img border=0 width=41 height=29 id="Picture_x0020_3" src="cid:image003.png@01D1068F.B0A52D00" alt="Description: http://www.queensu.ca/writingcentre/images/QueensLogo.png"></span><span lang=EN-CA style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'> </span><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.facebook.com_ProtectHeritageCorp-3Fref-3Dtn-5Ftnmn&d=AwMFAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=5P1k5N5Q1c69VA8PFMH1qZIZZ8zSCv1KcavsgT1zgLk&s=tAhZ-hWZpTwY3VM7LilPwFjayD_BX1fV7uWUtxI4Zls&e="><span style='text-decoration:none'><img border=0 width=87 height=24 id="Picture_x0020_4" src="cid:image004.png@01D1068F.B0A52D00"></span></a><span lang=EN-CA style='color:#1F497D'> </span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_-23-21_ProtectHeritage&d=AwMFAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=5P1k5N5Q1c69VA8PFMH1qZIZZ8zSCv1KcavsgT1zgLk&s=aU1w0o7eYK8DCZTFetAkEzKBW9t7y9W_yJr35ChbPzY&e="><span style='color:#1F497D;text-decoration:none'><img border=0 width=66 height=24 id="Picture_x0020_2" src="cid:image005.png@01D1068F.B0A52D00"></span></a><span lang=EN-CA style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>From:</b> nhcoll-l-bounces@mailman.yale.edu [mailto:nhcoll-l-bounces@mailman.yale.edu] <b>On Behalf Of </b>Zusin, Cortney<br><b>Sent:</b> October 9, 2015 12:10 PM<br><b>To:</b> 'nhcoll-l@mailman.yale.edu' <nhcoll-l@mailman.yale.edu><br><b>Subject:</b> [Nhcoll-l] Kunzite Display<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve had a request to loan a piece of early, very bright pink kunzite for a museum exhibition. Our chief gemologist has been unable to find any concrete information for how quickly kunzite fades and under what light and temperature conditions. Would anyone be able to share guidelines for displaying kunzite to prevent fading? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you!<o:p></o:p></p><p class=MsoNormal>Best,<o:p></o:p></p><p class=MsoNormal>Cortney<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#0070C0'>Cortney Zusin<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Archives Registrar<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Tiffany & Co. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>15 Sylvan Way<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Parsippany, NJ 07054<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>T: 973-254-7206<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>F: 973-254-7205<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'><a href="mailto:Cortney.Zusin@tiffany.com"><span style='color:#0070C0'>Cortney.Zusin@tiffany.com</span></a> <o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p>The information contained in this email message may be privileged,<br>confidential, and protected from disclosure. Any unauthorized use,<br>printing, copying,disclosure, dissemination of or reliance upon<br>this communication by persons other than the intended recipient<br>may be subject to legal restriction or sanction. If you think that<br>you have received this E-mail message in error, please reply to<br>the sender and delete this email promptly.<o:p></o:p></p></div></body></html>