noun ro·se·lite \ˈrōzəˌlīt\

Definition of roselite



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

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of roselite

Gustav Rose †1873 German mineralogist + English -lite

First Known Use: 1824

Seen and Heard

What made you want to look up roselite? Please tell us where you read or heard it (including the quote, if possible).


to help become familiar with something

Get Word of the Day daily email!