from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A brown, gray, white, or pale green mineral, Al2SiO5, used as a gemstone and for ornamental carvings. Also called fibrolite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fibrous neosilicate mineral, polymorphic with andalusite and kyanite, with the chemical formula Al2SiO5.
from the GNU version of the Collaborative International Dictionary of English
- n. Same as fibrolite.
from The Century Dictionary and Cyclopedia
- n. A silicate of aluminium (Al2SiO5), having the same composition as andalusite and cyanite.
After Benjamin Silliman.(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after American chemist and geologist Benjamin Silliman (1779-1864) in 1824. (Wiktionary)