Pennine Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/pennine
WEBThe meaning of PENNINITE is a mineral approximately (Mg,Fe,Al)6 (Si,Al)4O11 (OH)8 of the chlorite group consisting of a basic aluminosilicate of magnesium, iron, and aluminum, that is monoclinic and is commonly emerald or olive green (hardness 2.—2.5, specific gravity 2.6—2.85).
DA: 81 PA: 98 MOZ Rank: 25