GeologyRocksBig crystals
Thu, 04/05/2007 - 21:00 — Jon
These are big crystals!
http://news.bbc.co.uk/1/hi/sci/tech/6518161.stm
In order to grow to this size, they must have been kept in a very narrow, stable temperature range.
The crystals are described fully in a Geology article (subscription required):
http://www.gsajournals.org/perlserv/?request=index-html&issn=0091-7613