The mushroom cabinet knob has a classic dome design resembling that of a button mushroom. It is our most versatile knob, with many cabinet knob base options and natural stone varieties. These knob styles include clear crystal, black crystal, rock crystal, natural rose quartz, amethyst quartz, lapis lazuli gem stone, green moss agate, natural fluorite, camel agate quartz, red jasper quartz, white agate quartz, and even obsidian volcanic glass. Its simple yet elegant design, along with its versatility, has our clients using these decorative knobs on everything from kitchen cabinets and drawers to bedroom dressers.