- heptaphyllite
- hep·ta·phyllite
English syllables. 2014.
heptaphyllite
Look at other dictionaries:
heptaphyllite — |heptə+ noun Etymology: hepta + phyllite : any of a group of micas (as muscovite and other light colored micas) with seven metallic ions per ten oxygen and two hydroxyl ions compare octaphyllite … Useful english dictionary
octaphyllite — |äktə+ noun Etymology: octa + phyllite : any of various micas (as biotite) in which there are eight cations for every ten oxygen and two hydroxyl ions compare heptaphyllite … Useful english dictionary
