18d. A transparent orthoclase feldspar (8) ???l?r?a. 20a. A fainting fit or sudden onset of illness (5) ??a?m. (Second letter of 18d is first letter of 20a) Thanks for any help.
Thanks very much JMR. I though of adularia but couldn't get a definition as I was trying dwaim, which doesn't exist! It's been a tricky one this week, so again many thanks.