The Sio and Haho, the two largest rivers of the coast region, both flow into the Togo lagoon.
Boetius was consul in sio, and his sons, while still young, held the same honour together (522).
Clarke (1889-1893) supposes them to be substitution derivatives of normal aluminium orthosilicate A14(S104)3, in which part of the aluminium is replaced by alkalis, magnesium, iron and the univalent groups (MgF), (A1F2),(AlO), (MgOH); an excess of silica is explained by the isomorphous replacement of H 4 SiO 4 by the acid H4S130s.
The Sio and the Kapos or Zichy canal between Lake Balaton and the Danube is joined by the Sat-viz canal, which drains the marshes south of Sopron.
Chemically pure sand is silicon dioxide (SiO 2) or quartz, a clear transparent glass-like mineral, but as ordinarily met with, it is more or less impure and generally coloured reddish or yellowish by oxide of iron.