Actually, a square Feldspar is used as the bottom rock, on which three or four orthoclases and countless Albites are crystallized. This structure is very interesting. I have never seen Feldspar grow like this. The whole specimen is very delicate and exquisite!

Our Mineral crystal Shop at Shantou,Guangdong,China
Our Wushan spessartine mine at Tongbei,Yunxiao,Fujian,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!