What is "hodgkinsonite"

n. (context mineral English) A rare monoclinic zinc manganese silicate mineral with the chemical formula Zn₂MnSiO₄(OH)₂, having a pink, red or yellow-red colour.

Hodgkinsonite is a rare zinc manganese silicate mineral ZnMnSiO(OH). It crystallizes in the monoclinic system and typically forms radiating to acicular prismatic crystals with variable color from pink, yellow-red to deep red. Hodgkinsonite was discovered in 1913 by H. H. Hodgkinson, for whom it is named in Franklin, New Jersey, and it is only found in that area.