inesite

noun

ines·​ite

ˈīnəˌsīt,

ˈin-,

-ˌzīt

plural -s

: a mineral Ca₂Mn₇Si₁₀O₂₈(OH)₂.5H₂O consisting of a pale red hydrous manganese calcium silicate, in small prismatic crystals or massive (hardness 6, specific gravity 3.03)

Word History

Etymology

German inesit, from Greek ines (plural of is sinew, tendon) + German -it -ite

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