A stone with a rich history, sources suggest that aventurine was even used to craft tools by early humans millions of years ago. Today, it is universally celebrated as the ultimate symbol of luck, prosperity, and success, making it an excellent talisman for new beginnings and exciting opportunities. Measuring approximately 25 to 45 mm, these medium-sized African tumble stones are the perfect size to carry in your pocket as a lucky charm, display on your desk, or gift to a loved one chasing their dreams.