lepidomelane Meaning, Definition & Usage

  1. noun a mica that is a biotite containing iron

WordNet

Lep`i*dom"e*lane noun
Etymology
Fr. , , a scale + , , black.
Definitions
  1. (Min.) An iron-potash mica, of a raven-black color, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See Mica.

Webster 1913