satterlyite

Etymology
From, after Canadian geologist Dr. Jack Satterly.

Noun

 * 1)  A trigonal-ditrigonal pyramidal mineral containing hydrogen, iron, magnesium, oxygen, and phosphorus.
 * 2) * 2002, Uwe Kolitsch and Michael Andrut and Gerald Giester, Satterlyite, (Fe,Mg)₁₂(PO₃OH)(PO₄)₅(OH,O)₆: crystal structure and infrared absorption spectra, in "European Journal of Mineralogy", volume 14, issue 1:
 * Satterlyite is a rare hydroxyl-bearing ferrous phosphate with the originally proposed simplified formula (Fe²⁺,Mg)₂(PO₄)OH.
 * 1) * 2003, A.V. Chandrasekhar and M. Venkata Ramanaiah and B.J. Reddy and Y.P. Reddy and P.S. Rao and R.V.S.S.N. Ravikumar, Optical and EPR studies of iron bearing phosphate minerals: satterlyite and gormanite from Yukon Territory, Canada, in "Spectrochimica Acta Part A", volume 59, issue 9:
 * In the optical spectrum of satterlyite, eight bands are observed and all are attributed to different transitions arising from ferric and ferrous ions.