needle ore


Also found in: Dictionary.

needle ore

[′nēd·əl ‚ȯr]
(mineralogy)
Iron ore of very high metallic luster, found in small quantities, which may be separated into long, slender filaments resembling needles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?