Fluorite, Quartz    Xianghualing Cassiterite Mine, Linwu County, Chenzhou District, Hunan, China.    Sea green cubes to 2.4 cm each.  Older material from China.  Better quality than many recent pieces.  This one is in excellent condition with only one tiny chip on the big cube 7 x 6 x 4 overall.  Penetration twins, nice small white bloom of quartz to add contrast.  55$