
Noah Webster
Stilpnosiderite
STILPNOSIDERITE, noun [Gr., shining, and siderite.] A mineral of a brownish black color, massive, in curving concretions, splendent and resinous.

STILPNOSIDERITE, noun [Gr., shining, and siderite.] A mineral of a brownish black color, massive, in curving concretions, splendent and resinous.