Document XOJodp5mGz6EEdd17mxeo55Ow

w aiter c. m ccrone associates, inc. CONSULTING: ULTRAMICROANALYSIS MICROSCOPY SMALL PARTICLE PROBLEMS <SOLID-STATE CHEMISTRY 16 November 1977 D r, J . P. Simko, J r , Colgate-Palmolive Company 909 River Road . Piscataway, New Jersey 08854 . . ' Dear Dr. Bimbo: ' . This letter confirms the telephoned results of our microscopical examination of your two samples, French Talc - Lot 5854-11/3 and Talc 1615-Lab #4811 -1 1 /3 . . .. . you had noted in your letter of November 7 teat both samples ooutain particles which show tee right microscopical dispersion staining colors - ' vfor tremolite but tee wring morphology. We have identified these particles as apatite. . .. '. . ...We also found a small amount of tremolite in Talc 1615 but none in tee French talc. This is consistent with your XRD results. The other m inerals identified are noted on tee enclosed laboratory report sheets. `If you have any questions please le t me know. '. . . . ' With best wishes, ' . Sincerely, . LBM:fe end. ref: 5500 ' Lucy B. McCrohe Senior Research Scientist 2820 SOUTH MICHIGAN AVENUE CHICAGO, ILLINOIS 608 1 6 .9 1 2/84 2 -7 10 0 . CABLE: CHEMICRQNE COL 00551 McCRONE 0075 P a te 9 Novemh&r / ? 7 7 Client Colgate- Pa lm LMS CqMPMY________ MA Proje.ct 5 5 0 0 Sample D escription f/?MCH TtiUL} 1.0T 5%54* U /S '______ ,_________ X-RAY DIFFRACTION . Serpentine Content __________________ Amphibole Content ___________________ Coinments_________________ ;__________________________________ . ' I. . . .. i ' . LIGHT MICROSCOPY '' ' Serpentine Content sk4u <ukd ,AmpMbole Content suoni. Comments dk'k . p id td & j Jlcit, O titi A o o ttu 'k OAjl____ j ...-- . T.$5lWkJUL".. }$/*.-------------------------------:---------------------- --- ----- waiter , mccrorie associatea ina COL 00552 McCRONE 0076 COL 00553 McGRONE 0077