This is a bracelet made of rutilated quartz (golden needle quartz). It was purchased overseas over 30 years ago. I believe it was in Korea, but I don't remember exactly. Rutilated quartz (golden needle quartz) is formed when iron pyrite crystallizes in a linear pattern within quartz, and is known as a power stone for "financial luck," "love," and "intuition." When held up to the light, many golden needles can be seen inside the quartz. ◎Size (Please allow for some error) Inner diameter: Approximately 16cm (stretches due to the gold elastic) Rectangular golden needle quartz: Approximately 1.3cm x 0.9cm ◎Damage ・Some brown stains are present, but they feel rough to the touch, so they may be natural. (See photos) ・One of the spheres has dirt inside the hole where the elastic passes through. Please check the photos for details.