Emily Dickinson Lexicon
Definition for PY-ROR'THITE
PY-ROR'THITE, n.
A mineral little known, resembling orthite, but very different from it, for it burns in the flame of the blowpipe like charcoal; whereas orthite melts. Pyrorthite is in black plates, thin and almost parallel. – Dict. Nat. Hist.
Return to page 251 of the letter “P”.