Blue onyx is a variety of chalcedony, a form of quartz, and is prized not only for its aesthetic appeal but also for its metaphysical properties. It is believed to promote emotional balance, enhance self-control, and provide a sense of calm and tranquility. As a result, blue onyx is often used in decorative items and even in architectural applications, where its beauty can be showcased. Due to its rarity, high-quality blue onyx can be quite valuable, making it a favorite among collectors and enthusiasts. Whether used in statement jewelry pieces, carved sculptures, or as elegant home decor, extremely rare blue onyx is a stunning representation of nature's beauty and craftsmanship. Its unique characteristics and vibrant color make it a cherished addition to any collection. 2"h X 7"w X 5"d