・10mm ・Inner diameter: 18cm We offer a discount on natural stones when you buy multiple items! For every two items purchased, we will give you a 100 yen discount (。•ㅅ•。)♡ We highly recommend purchasing multiple items♪ ☆Power of Natural Stones☆ Draws out thoughts, enhances creativity, memory, and concentration Suppresses emotional ups and downs, supports peace of mind and mental stability Unravels thought processes and activates the brain Provides rich imagination and flexibility Clarifies the mind Fluorite is also known as the "stone of genius" or "stone of intelligence" and is popular with those studying and taking entrance exams. It is also called the "seven-colored gem" because of its various colors. ~About the Sale of Natural Stones~ ・There may be items with high transparency, inclusions (internal inclusions/enclosures), or what appear to be stains, cracks, or chips. Please understand that these are characteristics of natural stones. ・There may be slight variations in the size of the stones and the inner diameter. Thank you for your understanding. (Measured with calipers) ♡Stone Condition♡ ・All items are new and unused (stored at home. Please purchase only if you understand this) ・No smokers, no pets ・We will purify them thoroughly with crystal, etc., before shipping ♡About the Effects of Stones♡ ・Natural stones have various claims, but we do not guarantee their effects. ※Customers are responsible for shipping costs if they cancel after the product arrives due to their own reasons. Please understand. #NaturalStone #NaturalStoneBracelet #PowerBracelet #Bracelet #Fluorite ※Customers are responsible for shipping costs if they cancel after the product arrives due to their own reasons. Please understand. Material...Natural Stone Bracelet/Bangle...Bracelet Stone Material...Other