Bigger calcite crystals i have seen for such species transparent calcite from Xia Yang Mine, Xia Yang city, Yongchun Co., Quanzhou, Fujian, China. Biggest calcite on matrix which show translucent, smaller calcite clusters are transparent, on quartz matrix, which looks crack in middle, but it is natural, cracked first and crystallized again with calcite crystal, interesting shape, only shipping in pallet, better with quantity buying in pallet, otherwise easy for broken during the shipping, 20-14.5-5cm. No.20210611SHC01