This natural ruby in quartz specimen from Yunnan, China displays a vivid red fluorescence under UV light (365nm). A striking piece for mineral collectors, UV enthusiasts, or unique display decor. Weight: 284g Origin: Yunnan, China Size: 100 x 60 x 40mm Treatment: N/A (Natural Specimen) Fluorescent Under UV💙 365nm LW UV: Bright 255nm SW UV: Faint 📦Secuerly Shipped from Ontario Canada 🍁