Thank you for viewing! (^-^) Very vibrant neon blue Blue apatite The stone's properties are similar to the formation of human teeth and bones. Natural stone: Blue apatite Bead size: Approximately 5.4mm Post: Catch: Surgical stainless steel ~We accept changes to the metal fittings~ Hook → Stud Stud → Hook, etc. Free of charge ☆ SWAROVSKI stud +100 yen We offer discounts for multiple purchases ☆ This is handmade. I try to make them carefully, but they are not comparable to mass-produced items. I hope you will handle them gently. Since they are natural stones, etc., There may be cracks and inclusions. I have several cats. Please refrain from purchasing if you are concerned. ・I am studying to polish natural minerals such as Larimar. My polishing skills are still developing, but thank you for your support (*´ー｀*) Please read my profile for more information ☆彡