- A cave mineral — (NH4)2Mg3H4(PO4)4●8H2O .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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hannayite — han·nay·ite … English syllables
hannayite — ˈhanēˌīt noun ( s) Etymology: German hannayit, from J. B. Hannay, 19th century Scottish chemist + German it ite : a mineral Mg3(NH4)2H4(PO4)4.8H2O consisting of a hydrous acid ammonium magnesium phosphate occurring in guano … Useful english dictionary
List of minerals F-J (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia