rhomboclase

noun

rhom·​bo·​clase

ˈrämbəˌklās,

-āz

plural -s

: a mineral HFe(SO₄)₂.4H₂O consisting of a hydrous acid ferric sulfate and occurring in colorless rhombic plates with basal cleavage

Word History

Etymology

Hungarian rhomboklas, from rhomb- + -klas -clase

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