hy·a·lite
(hī′ə-līt′)n. A clear colorless opal.
[Greek
hualos,
glass +
-ite.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
hyalite
(ˈhaɪəˌlaɪt) n (Minerals) a clear and colourless variety of opal in globular form
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
hy•a•lite
(ˈhaɪ əˌlaɪt)
n. a colorless variety of opal, sometimes transparent like glass, and sometimes whitish and translucent.
[1785–95; < Greek hýal(os) glass +
-ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.