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.
Mauritius is a small island situated off the southeast coast of the African continent in the southwest Indian Ocean. It is also to be found in the east of Madagascar at a distâ¦ance of about 900 kilometers. Mauritius forms part of the mascarene islands which also consist of Reunion island and Rodrigues.