In the US, the most common size is 8 in Ã 8 in Ã 16 in (20 cm Ã 20 cm Ã 41 cm); the actual size is usually about 3/8 in (1 cm) smaller to allow for mortar joints. Cinder blocks differ from concrete blocks in their aggregate content.
Geography of Seychelles. The Seychelles is a small island nation located in the Indian Ocean northeast of Madagascar and about 1,600 km (994 mi) east of Kenya. Seychelles lies between approximately 4ÂºS and 10ÂºS and 46ÂºE and 54ÂºE.
For other uses, see Rodrigues (disambiguation). Rodrigues (French: Ãle Rodrigues) is a 108-square-kilometre (42 sq mi) autonomous outer island of the Republic of Mauritius in the Indian Ocean, about 560 kilometres (350 mi) east of Mauritius. It is part of the Mascarene Islands which include Mauritius and RÃ©union.