Fibonacci Sequence Necklace Golden Ratio Necklace Geometric Spiral Necklace for Men Women Mathematics Irrational Pendant Necklace Graduation Math Teacher Gift

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• Unique Design：The Fibonacci sequence is also known as the golden ratio and the golden section. "The beauty of the Fibonacci sequence can be seen not only in nature, but also in all aspects of modern human science and technology. Therefore, people call "Fibonacci sequence" as God's fingerprint.
• Material: The Fibonacci necklace is made of high quality stainless steel, which has the advantage that it is not easy to rust and fade, as well as has good corrosion resistance, so it can maintain a long-lasting luster. In addition, it also has the advantages of high strength, hardness and not easy to deform, which makes it not easy to be damaged in daily wear.
• Size: Chain Length: 17.7 in chain plus 1.96 in adjustable extender, round pendant: 0.98 inch * 1.1 inch. Weight: 0.14 OZ. Pendant is removable from chain.
• Package: This golden ratio division necklace will arrive in a velvet bag ready for gift giving.
• Perfect Gift: This geometic necklace is the perfect gift for Graduation, Start of School, Christmas, birthdays, Father's Day, Mother's Day, Thanksgiving, anniversaries or other special occasions for teacher, yourself, your best friend, father, mother, son, daughter.