stilpnomelane (English, noun)
expansion: stilpnomelane (countable and uncountable, plural stilpnomelanes)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A metamorphic phyllosilicate mineral of the mica group, having the chemical formula K(Fe²⁺,Mg,Fe³⁺)₈(Si,Al)₁₂(O,OH)₂₇.
tags: countable
uncountable
Forms:
form: stilpnomelanes
tags: plural