Definition of axinite
: a mineral Ca2(MnFe)Al2BSi4O15OH, consisting of borosilicate of aluminum and calcium with varying amounts of iron and manganese commonly in brown glassy sharp-edged triclinic crystals (hardness 6.5–7, specific gravity 3.27–3.29)
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of axinite
French, from Greek axinē axhead, ax + French -ite; from its ax-shaped crystals
Seen and Heard
What made you want to look up axinite? Please tell us where you read or heard it (including the quote, if possible).