As nouns the difference between martite and marrite
is that martite is (geology|mineralogy) a variety of hematite that is pseudomorphic after magnetite crystals while marrite is (mineralogy) a monoclinic-prismatic mineral containing arsenic, lead, silver, and sulfur.
martite
Noun
(
en noun)
(geology, mineralogy) A variety of hematite that is pseudomorphic after magnetite crystals.
marrite
English
Noun
(mineralogy) A monoclinic-prismatic mineral containing arsenic, lead, silver, and sulfur.
References
* Marrite in the Mineralogy Database: [http://webmineral.com/data/Marrite.shtml]