Natural Stone: [Brazilian Rutile Quartz] High-quality natural stone directly sourced from our partner factory in Hong Kong. Our buyer personally selects and offers only the best condition stones. [Product Details] ・Size: 10mm ・Inner Diameter: 17cm ・Origin: Brazil ・Condition: Unused (only for photography) [Shipping] ・Shipped quickly from within Japan (usually same day to next day) ・Carefully packaged for safe delivery ※Due to the nature of natural stones, cracks and inclusions may be visible. Please feel free to ask any questions before purchasing. We also offer discounts for bulk purchases. Please inquire in the comment section.