cummingtonite
Noun
Meaning
cummingtonite (countable and uncountable, plural cummingtonites)
(mineralogy) A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)7Si8O22(OH)2.
Noun
cummingtonite (countable and uncountable, plural cummingtonites)
(mineralogy) A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)7Si8O22(OH)2.