roselite

noun
ro·​se·​lite | \ˈrōzəˌlīt\
plural -s

Definition of roselite 

: a mineral (CaCoMg)3(AsO4)2.2H2O consisting of a rose-red arsenate of calcium, cobalt, and manganese in small triclinic crystals

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First Known Use of roselite

1824, in the meaning defined above

History and Etymology for roselite

Gustav Rose †1873 German mineralogist + English -lite

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The first known use of roselite was in 1824

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