Quartz Specimens for Sale - Collector Quality Specimens
Quartz (silicon dioxide, (SiO₂) is one of Earth’s most common and useful minerals. Found in igneous, metamorphic, and sedimentary rocks, it forms clear crystals, milky masses, and colourful varieties like amethyst and citrine. Hard (Mohs 7) and durable, quartz is prized in jewellery, industry, and collectors’ cabinets worldwide. For more information about the mineral quartz, click HERE.