White thassos marble can be tricky to polish. One technique that works is to start polishing as you would normally polish. Normal is working the powder into a pasty consistency. Continue to work the slurry until it is totally dry. Continue to work dry until you get a shine. You can also try using a polishing powder that contains tin oxide. Tin oxide is an super fine powder and is also more expensive then the average polishing powders. Tin oxide can also be purchased in a pure form known as 99.99% tin oxide.
TIP Try mixing a small amount of oxalic acid with the tin oxide. Start with a formulation of one part of oxalic acid to three part of tin oxide. Work this mixture as described above for best results.
Article ID: 410
Created: January 19, 2022
Last Updated: January 20, 2022
Author: Pam Freitag
Online URL: https://sr-manual.com/kb/article/i-have-been-trying-to-polish-a-white-thassos-marble-and-cannot-seem-to-get-a-shine-any-suggestions-410.html