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Germanium iodide is a chemical compound of germanium and iodine. Two such compounds exist: germanium(II) iodide GeI2 and germanium(IV) iodide GeI4.
Germanium(II) iodide is a crystalline solid which decomposes on melting. Its specific density is 5.37 and it can be sublimed at 240 °C in a vacuum.
Germanium(IV) iodide is a crystalline solid with melting point 144 °C and boiling point 440 °C (with decomposition). Its specific density is 4.32.
References
Germanium iodide Wikipedia(Text) CC BY-SA