This is a post i put in caravaners forumjust on 3 yrs ago while staying nAndamooka for over 12 months.
If there is heavy rains up there in the next month,the wild flowers wil lbe blooming everywhere.
http://caravanersforum.com/viewtopic.php?f=80&t=16525
Thanks for the link,I love Opal of any kind,and have been lucky enough to
have cut (amateur opal cutter),some Andamooka Matrix Opal some time ago.
It is a beautiful stone,when treated,cut,and Polished.
John
Retired Electronics Tech
Amateur Radio Callsign VK2CJO