What minerals could jewerlry makers use to grind and polish quartz?

Jewelry makers can use harder minerals such as corundum (sapphire or ruby) and diamond to grind and polish quartz, as they are significantly harder on the Mohs scale. Other abrasive materials like garnet or emery can also be employed for polishing purposes, though they are less effective than diamond or corundum. These materials help achieve a smooth and lustrous finish on the quartz surfaces.