Lake Superior Agate #1
Ted Kinsman
Petrified Wood
Ted Kinsman
Agate From Mexico
Joel E. Arem
Agate Nodule
Joel E. Arem
Agate, Mexico
Joel E. Arem
Agate Banding
Mark Windom
Agate Cone
Andrew J. Martinez
Agate House
Kenneth Murray
Agate From Brazil, Lm #14
Bernardo Cesare
Agate From Brazil, Lm #16
Bernardo Cesare
Lake Superior Agate
Ted Kinsman
Dryhead Agate #4
Mark Windom
Fairburn Agate
Millard H. Sharp
Quartz And Agate Geode, Mexico
Joel E. Arem
Laguna Lace Agate
Mark Windom
Laguna Lace Agate, Macro
Mark Windom
Plume Agate Details, Close
Mark Windom
Laguna Agate
Millard H. Sharp
Laguna Lace Agate, Closeup
Mark Windom
Mexican Lace Agate
Louise K. Broman
Brecciated Jasper
Joel E. Arem
Quartz, Sem #2
Meckes/ottawa
Polished Stones
Louise K Broman
Picture Jasper
Joel E. Arem
Quartz, Sem
Meckes/ottawa
Quartz, Sem #1
Meckes/ottawa
Agate Patterns, Close #1
Mark Windom
Agate Patterns, Close
Mark Windom
Agate, Close #1
Mark Windom
Agate From Brazil, Lm #2
Bernardo Cesare
Agate From Brazil, Lm #19
Bernardo Cesare
Agate From Brazil, Lm #34
Bernardo Cesare
Agate Mine #1
Ted Kinsman
Agate From Brazil, Lm #1
Bernardo Cesare
Agate From Malawi, Lm #3
Bernardo Cesare
Agate From Argentina, Lm #1
Bernardo Cesare
Agate From Malawi, Lm #4
Bernardo Cesare
Agate From Brazil, Lm #15
Bernardo Cesare
Agate From Brazil, Lm #17
Bernardo Cesare
Agate From Brazil, Lm #18
Bernardo Cesare
Agate From Malawi, Lm #5
Bernardo Cesare
Agate From Brazil, Lm #25
Bernardo Cesare
Agate From Brazil, Lm #29
Bernardo Cesare
Agate From Brazil, Lm #30
Bernardo Cesare
Agate From Brazil, Lm #31
Bernardo Cesare
Agate From Argentina, Lm #5
Bernardo Cesare
Agate From Argentina, Lm
Bernardo Cesare
Agate From Brazil, Lm #3
Bernardo Cesare
Agate From Brazil, Lm #4
Bernardo Cesare
Agate From Malawi, Lm #1
Bernardo Cesare
Agate From Brazil, Lm #13
Bernardo Cesare
Agate From Brazil, Lm #20
Bernardo Cesare
Agate From Brazil, Lm #21
Bernardo Cesare
Agate From Brazil, Lm #23
Bernardo Cesare
Agate From Brazil, Lm #24
Bernardo Cesare
Agate From Brazil, Lm #26
Bernardo Cesare
Agate From Brazil, Lm #28
Bernardo Cesare
Agate From Malawi, Lm #7
Bernardo Cesare
Agate From Brazil, Light Micrograph
Bernardo Cesare
Agate From Brazil, Lm #32
Bernardo Cesare