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Webster 1913 Edition

Noun.

[Named after

Mr.

Ludlam

, of London.]

(Min.)

A mineral occurring in small, green, transparent, monoclinic crystals. It is a hydrous phosphate of iron.

ludlamite

(mineralogy) A monoclinic-prismatic mineral containing hydrogen, iron, magnesium, manganese, oxygen, and phosphorus.

ludlamite Barthelmy, David (accessed 29 August 2016) Webmineral Mineralogy Database