On Modern day design kitchens a thinner worktop can appear suitable. In quartz it is achievable to utilize 20mm thick materials for worktops. See underneath for the value difference. Black Galaxy granite has small flecks of mica and feldspar on its surface to give it the glimpse of a sparkling https://graniteworktopsscotland.com/should-you-use-bleach-on-granite-kitchen-worktops/