Black Opal Bracelet
Joel E. Arem
Australian Opal #7
Millard H. Sharp
Australian Opal #2
Millard H. Sharp
Black Opal Ring
Joel E. Arem
Australian Opal #1
Millard H Sharp
Opal Boulder Opal
A.b. Joyce
Semiblack Opal Cabochon
Joel E. Arem
Contra-luz Opal
Joel E. Arem
Australian Opal
Millard H Sharp
Australian Opal #6
Millard H. Sharp
Australian Opal #3
Millard H. Sharp
Australian Opal #4
Millard H. Sharp
Australian Opal #8
Millard H Sharp
Black Opal, Australia
Joel E. Arem
Black Opal Pin
Joel E. Arem
Fire Opal, Mexico
Joel E. Arem
Fire Opal
Raul Gonzalez Perez
Black Opal Ring #1
Joel E. Arem
Wild Fire Opal
Mark Windom
Wild Fire Opal #2
Mark Windom
Wild Fire Opal #1
Mark Windom
Synthetic Opal
Ted Kinsman
Foraminiferan Planodiscorbis, Sem
Oliver Meckes EYE OF SCIENCE
Zirconium Photonic Crystals, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Rosalina Orientalis, Sem
Oliver Meckes EYE OF SCIENCE
Photonic Glass, Sem #1
Oliver Meckes EYE OF SCIENCE
Zirconium Photonic Crystals, Sem #2
Oliver Meckes EYE OF SCIENCE
Foraminiferan Pyrgo Sp., Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Elphidium Crispum, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Amphistegina Lessonii, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Ehrenbergina Trigona, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Globigerinatheka
Oliver Meckes EYE OF SCIENCE
Foraminiferan Uvigerina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Favocassidulina Favus, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Spiroloculina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Pyrgo Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Elphidium Crispum, Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Planodiscorbis Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Cymbaloporetta Bradyi, Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Favocassidulina Favus, Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Cribroelphidium Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Globorotalia
Oliver Meckes EYE OF SCIENCE
Photonic Glass #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Adelosina Pulchella, Sem
Oliver Meckes EYE OF SCIENCE
Foraminifera Globigerina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Cymbaloporetta Bradyi, Sem
Oliver Meckes EYE OF SCIENCE
Zirconium Photonic Crystals, Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Ehrenbergina Trigona, Sem #1
Oliver Meckes EYE OF SCIENCE
Zirconium Photonic Crystals, Sem #3
Oliver Meckes EYE OF SCIENCE
Foraminiferan Gyroidina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Quinqueloculina, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Cycloforina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminifera Globigerina
Oliver Meckes EYE OF SCIENCE
Foraminiferan Orbulina Universa, Sem
Oliver Meckes EYE OF SCIENCE
Photonic Glass
Oliver Meckes EYE OF SCIENCE
Foraminiferan Globigerina Sp., Sem
Oliver Meckes EYE OF SCIENCE
Photonic Glass, Sem
Oliver Meckes EYE OF SCIENCE
Zirconium Photonic Glass, Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Neoeponides Sp., Sem
Oliver Meckes EYE OF SCIENCE
Foraminiferan Spiroloculina Sp., Sem #1
Oliver Meckes EYE OF SCIENCE
Foraminiferan Globigerina Sp., Sem #1
Oliver Meckes EYE OF SCIENCE