twin crystal

Noun

 * 1)  either of two separate crystals that share crystal lattice points in a symmetrical manner and intergrow

Translations

 * Chinese:
 * Cantonese: 雙晶
 * Mandarin:
 * Finnish: kaksoiskide
 * Japanese:
 * Korean: 쌍정(雙晶)
 * Vietnamese: song tinh (雙晶)