monoclinic
🇺🇸
/ˌmɒnə'klɪnɪk/
🇬🇧
/ˌmɒnə'klɪnɪk/
A crystal shape where the sides are different lengths and the angles are not all right angles, with one special axis and a mirror plane.
The mineral's monoclinic structure is what makes it look so unique.
該礦物的單斜結構是其獨特外觀的原因。