复三方双锥类
ditrigonal dipyramidal class
复三方双锥组
ditrigonal-dipyramidal class
三方双锥类
trigonal dipyramidal class
三方双锥体类
trigonal dipyramidal class
三方双锥组
trigonal-dipyramidal class
双三方双锥晶族
ditrigonal bipyramidal [crystal] class
第二三方锥
trigonal pyramid of the second order
第三方双榍
bisphenoid of the third order
第一三方锥
trigonal pyramid of the first order
复三方锥类
ditrigonal pyramidal class
复三方锥体类
ditrigonal dipyramidal class
复三方锥组
ditrigonal-pyramidal class
六方三方半面体类
hexagonal trigonal hemihedral class
三方双晶体类
trigonal dipyramidal class
三方双晶族
trigonal dipyramidal class