Re: [meteorite-list] Re:[meteorite-list]question

[walter branch]

Hi Bob,   >Question 1.  How do the dealers get that great polish on the L 6 stones they sell.   Short answer: Many dealers buy them that way :-)   Long answer: Don't know how others do it, but I use this polisher http://www.kingsleynorth.com/allyouneed.html   I rarely go above 600.  Make sure you do not re-use the old coolant when you go up to the next higher polish and make sure you polish out any saw marks before you go up.  I have seen some really bad work by people who did not follow at least these two rules- of-thumb.  If you have a problem with a sloping or "dipping" surface, perhaps from a poor cut-job, you have to level the surface first, with a low number polish (like that 180 mech diamond) I have half-stones of several meteorites including Gao and NWA 869 which look really nice when polished to about 600.   Not just L6s but many stones look nice when the polish is done right. Millbillillie looks very nice with a smooth polish.   (yes folks, I know some stones do not look nice with a high polish)    >Question 2.  I've been making up some thin sections.   Sorry, can't help with this one.  I have never made a thin section.   -Walter   --------------------------------------------- www.branchmeteorites.com     ----- Original Message ----- From: robert jackson To: [EMAIL PROTECTED] Sent: Tuesday, March 11, 2003 8:33 PM Subject: [meteorite-list] Re:[meteorite-list]question Question 1.  How do the dealers get that great polish on the L 6 stones they sell. I take my slices and go up through 600 and maybe 800 then still don't get that great finish. Is it diamond.... Question 2.  I've been making up some thin sections. Using the lap on a facetor. Does pretty good job. Several have come out great on the polarized microscope. But the glues that you use on the slide. Super glue is not so good. Opticon is best so far, any ideas. Haven't posted in a long time, Bob Jackson, Riverside.