This is opal in Fujian Province, China. It grows into stalactite shape. The fluorescence effect is very strong under 365 violet light.
Our Mineral crystal Shop at Shantou,Guangdong,China
We can offer all kinds of chinese mineral crystals by wholesale or by retail.You are welcome to contact us in free time!
When in China, please come by for a visit. I would be very happy to meet with you!