Made in Japan. K18 product. This is a pendant top featuring a beautiful purplish-blue, oval-shaped natural tanzanite gemstone. This highly rare gemstone is only found in the Merelani Hills mines in Tanzania, Africa. Tanzanite has a mysterious purplish-blue color that reflects the night sky. It has a calm blue brilliance and exhibits pleochroism, changing appearance depending on the viewing angle and light. It has a high luster and transparency, making it beautiful. Stamped with K18. Size: Top approximately 5mm x approximately 7mm Material: 1 tanzanite (0.70ct), 18k yellow gold Bail inner dimensions: Approximately 3mm wide, approximately 5mm long ※ Tanzanite is a delicate gemstone. With a hardness of 6-7, it is susceptible to impact and scratches, so please take care when cleaning and handling, such as avoiding ultrasonic cleaning. Tanzanite pendant top Tanzanite accessories Natural stone accessories Natural stone charm