The phrase identifies essentially the most appropriate mineral specimens for reaching a elegant and aesthetically pleasing consequence via a mechanical abrasion course of. Examples embrace forms of quartz like agate, jasper, and amethyst, in addition to obsidian and sure forms of widespread rock. These supplies are chosen for his or her hardness, constant composition, and skill to take a excessive shine.
Deciding on applicable geological supplies considerably impacts the standard of the completed product. The best decisions result in extra sturdy, visually interesting polished stones, enhancing their potential to be used in jewellery, crafts, or accumulating. Traditionally, the follow of sprucing stones dates again millennia, with civilizations throughout the globe using totally different strategies to boost the pure fantastic thing about rocks and minerals.
