柯林斯詞典aragonite /??r?ɡ??na?t/ 1. N a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO3. Crystal structure: orthorhombic 霰石; 通常為白色或灰色礦石，存在于沉積巖石和溫泉沉淀物內(nèi) 返回 aragonite