If they don't believe my nose, they must believe science, and so I discovered my 'superpower': the story of Gian Marco Tonello

Gian Marco Tonello, 27-year-old goldsmith and owner of a "buy gold" shop in Abano Terme, Padua, has become a viral sensation after revealing his unique ability to identify genuine gold by its lack of smell. Known online as "GianTone," he has amassed nearly 250,000 followers on Instagram through videos where each transaction begins with him sniffing the item. In a recent interview with Corriere della Sera, Tonello explained that authentic gold has no odor, while counterfeit pieces emit a distinct scent. Tonello operates two stores, a gold workshop, and holds a license for metal trading. His method of detecting fake gold, by simply smelling it, is rooted in a technical truth many overlook. He claims that if a piece of gold smells, it is not real. This simple yet effective technique has gained attention beyond the jewelry trade, sparking curiosity among both customers and professionals. The practice of using the sense of smell to distinguish between real and fake gold is based on the chemical composition of pure gold. Pure gold, which is composed primarily of gold atoms, does not produce any detectable odor. However, alloys used in counterfeit items often contain other metals such as silver, copper, or zinc, which can release volatile compounds that have a noticeable smell. These impurities make the material identifiable by its scent. Tonello’s approach has been validated by scientific principles. The absence of smell in pure gold is a well-known characteristic among metallurgists and gemologists. While more advanced methods such as X-ray fluorescence or acid testing are commonly used in professional settings, Tonello's method offers a quick and accessible alternative. It relies on a basic understanding of materials science, making it particularly appealing to everyday consumers. His YouTube-style videos, which feature him interacting with clients and demonstrating his technique, have gone viral, drawing millions of views. The simplicity of his method resonates with viewers who appreciate practical solutions. Many have commented on how his approach challenges conventional wisdom, suggesting that sometimes the most straightforward techniques are the most reliable. Tonello’s growing popularity has led to increased interest from potential customers and industry experts alike. Some have questioned whether his method could be standardized or integrated into broader authentication processes. Others have praised his transparency and willingness to share his expertise. Despite the attention, Tonello maintains a humble stance, emphasizing that his method is just one tool among many in the field of precious metals evaluation. Looking ahead, Tonello plans to expand his presence online and possibly offer educational content aimed at helping others recognize counterfeit gold. His story highlights the intersection of traditional craftsmanship and modern digital engagement, showing how personal skills can gain widespread recognition in today’s connected world. As he continues to build his brand, his unique talent serves as a reminder of the value of knowledge and authenticity in an increasingly complex marketplace.