
1) Halide mineral 2) Orthorhombic mineral
Found on
https://www.crosswordclues.com/clue/kremersite

Kremersite is a rare mineral which is a hydrated multiple chloride of iron, ammonium and potassium with the formula: (NH4,K)2FeCl5·H2O. Kremersite is a brown-red to orange mineral that crystallizes in the orthorhombic system. It is a water soluble mineral that is found around volcanic fumaroles. Occurs at Vesuvius, Italy and Mt. Etna, Sicily. It ...
Found on
http://en.wikipedia.org/wiki/Kremersite
No exact match found.