precious metals gold

  • Precious Metals and Gems, Gold, Diamond, Silver, Platinum

    Precious Metals and Gems Precious stones are distinguished by their high quality, scarcity, and colour appeal. Because diamond, sapphire, ruby, and emerald are the only four precious stones, all other gemstones are classified as semi-precious. Their hardness, which translates to...

    Published On February 8th, 2023