Cummingtonite

Related Category: Mineralogy and Crystallography

(kŭm´ĭngtənīt): see amphibole.

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More on Cummingtonite

Amphibole - any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The amphibole minerals are closely ...