石英

Quartz is one of the most abundant and versatile minerals on Earth, composed of silicon dioxide. It comes in various forms and colours, with clear, colourless quartz being the most common. However, it can also appear in hues like purple (amethyst), rose (rose quartz), and smoky grey (smoky quartz). Quartz is highly durable and is widely used in both jewellery and industrial applications, such as electronics and watches. Its clarity and widespread availability make it a popular choice in gemstones, symbolizing clarity, balance, and healing.