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.
鉱物の単斜構造がその独特な外観を生み出している。