plural -s
: a mineral (Cu,Zn)2(OH)2(CO3) consisting of a basic carbonate of copper and zinc that is probably a zincky malachite

Word History


Italian, from Rosas mine, Sulcis, Sardinia, its locality + Italian -ite

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of rosasite was in 1909

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Dictionary Entries Near rosasite

Cite this Entry

“Rosasite.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

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