Re: Quartzite polishing Bob Murrell 24 Jan 2021 17:54 EST
Yes, if it etches, it’s not quartzite. Probably a dolomitic marble or similar. Try taking it high in grit like you did but try polishing with Granite Polishing Powder Light, Granites Gloss, or a Tin Oxide or high grit calcined Alumina product.
Do a test to confirm then results and procedure before general application.
Sent from Bob Murrell's iPhone
M3 Technologies, Inc.
> On Jan 24, 2021, at 5:48 PM, Tony Deluna <email@example.com> wrote:
> Hey Pro’s I have this customer with a quartzite countertop.
> It’s marked up with grid pattern etching and runs from the storage yard before installation.
> It diamond hones like a marble and seems to be too soft to be a Quartzsite. I also noticed a few scratches. But no etching other than from before installation.
> I tried a wet and wet to dry polish with 4 different compounds.
> MB20, MB22, Dai-glo, majestic 5x.
> MB20 did very little & The others just made it more dull and raised the veins after 3,000.
> Then I took it to 8500 and tried Polishing with a bling pad.
> Still nothing.
> Any ideas?
> Tony DeLuna
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