Forums Beginner Questions amethyst polishing

  • amethyst polishing

    Posted by Bob on January 9, 2025 at 3:13 pm

    Im a novice having trouble polishing, Im using a batt Lap with 8000k PCD compound stick.
    spotted polish on facets, some foggyness, and missed areas where I have to use the cheater.
    Ive been watchful of prep work final lap of 3000 before polish, facets appear clear and smooth,
    I checked polish lap contamination. Ive heard some quartz is tough to polish . Any thoughts
    or ideas? Thanks. Ive had success and cut a dozen beautiful stones.

    oxford replied 1 week, 5 days ago 14 Members · 15 Replies
  • 15 Replies
  • leonard

    Member
    January 9, 2025 at 3:23 pm

    Check ‘<b style=”font-family: inherit;”>Article Discussion‘ about polishing quartz.

  • Ron

    Member
    February 10, 2025 at 12:58 am

    I polish tons of quartz mostly Amethyst and I have my students doing it as well. It works well as long as your not competing which most of us aren’t. You can reach me on facebook messenger ron snelling.. might be easier if we talk.

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    September 26, 2025 at 11:16 pm

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  • John Mc Keown

    Member
    February 10, 2026 at 8:34 am

    I just joined, I’ve cut quite a large amount of quartz. My recommendation would be 14000 diamond on a copper lap for pre-polish, then Cerium Oxide on a plastic lap. Sometimes the cheapest option can be the best one.

  • legaleducate

    Member
    April 6, 2026 at 4:30 am

    It sounds like your pre-polish is good, so the issue might be lap charge or pressure—try using a lighter touch and make sure the Batt is only lightly charged with the 8k PCD. Spotted polish and haze can also come from too much speed or slight contamination, so slow things down and refresh the lap if needed. And yeah, some quartz can be stubborn—sometimes a switch to cerium on a different lap helps clean up those last bits.

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  • walterliz

    Member
    May 15, 2026 at 12:32 am

    The problems you encounter when polishing gemstones geometry
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    (especially quartz) usually stem from the material’s properties and the techniques used.

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    May 15, 2026 at 4:41 am

    Handheld devices can easily apply slope run too much pressure at certain points, leading to blurry or missed areas.

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  • emma2k6

    Member
    July 23, 2026 at 2:58 am

    Some types of quartz may have a non-uniform structure, making polishing difficult. Ensure you are working with good quality stone. basket random

    • This reply was modified 1 month, 3 weeks ago by  emma2k6.
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