Sunday, September 27, 2009

Thursday, September 24, 2009

Monday, September 14, 2009

Sunday, September 13, 2009

Saturday, September 12, 2009

Friday, September 11, 2009

Thursday, September 10, 2009

Monday, September 7, 2009

A tip of rugose coral


Crinoid arms going through a rock






The actual arms are made of translucent quartz.