Читать книгу Earth Materials - John O'Brien - Страница 115

Common crystal forms in the orthorhombic system include four‐sided rhombic prisms and pyramids, and eight‐sided dipyramids. Pinacoids are the dominant form and pedions are also common. Common crystal forms and associated minerals in the orthorhombic crystal system are indicated in Figure 4.28 and Table 4.10.