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Kieselerde Bilder ❘ Science Photo Library
13257675 - Diatom, light micrograph
13257659 - Fossil diatom, light micrograph
12971949 - Aulacodiscus formosus diatom, light micrograph
13765677 - Assorted diatoms, light micrograph
13358886 - Agate from Brazil, LM
13358835 - Agate from Brazil, LM
13257678 - Diatom, light micrograph
13257676 - Diatom, light micrograph
13244796 - Diatoms, polarised light micrograph
13633575 - Tiger eye, light micrograph
13500992 - Diatom, light micrograph
13359059 - Ocean Jasper from Madagascar, LM
13359018 - Ocean Jasper from Madagascar, LM
13358832 - Agate from Brazil, LM
13273108 - Diatoms, polarised light micrograph
13257665 - Fossil diatom, light micrograph
13257658 - Fossil diatom, light micrograph
12918384 - Sponge spicule, SEM
13613609 - Chalcedony crystals
13601041 - Synura uvella heterokont alga colony, light micrograph
13506602 - Diatom, SEM
13472832 - Bauxite
13257674 - Diatom, light micrograph
12918381 - Diatoms and radiolaria, SEM
12895584 - Diatom frustules,SEM
13733973 - Yellow crystal
13378042 - Chalcedony rose
13358840 - Agate from Malawi, LM
13257654 - Fossil diatom, light micrograph
13244797 - Diatoms, polarised light micrograph
12959458 - Opal
13500990 - Diatom, light micrograph
13435598 - Navicula sp. marine diatom, light micrograph
13358992 - Agate from Brazil, LM
13358577 - Lake Superior Agate, LM
13257660 - Fossil diatom, light micrograph
13359019 - Ocean Jasper from Madagascar, LM
13358841 - Ocean Jasper from Madagascar, LM
13358618 - Ocean Jasper from Madagascar, LM
13358497 - Agate from Malawi, LM
13242913 - Opal
13733971 - Yellow crystal
13476811 - Silicosis of the lung, light micrograph
13359051 - Agate from Brazil, LM
13359037 - Agate from Brazil, LM
13358865 - Ocean Jasper from Madagascar, LM
13257657 - Fossil diatom, light micrograph
12918382 - Silicoflagellate, SEM
13435632 - Campylodiscus sp. diatoms, light micrograph
13359016 - Ocean Jasper from Madagascar, LM
13358878 - Agate from Malawi, LM
13358508 - Ocean Jasper from Madagascar, LM
13257662 - Fossil diatom, light micrograph
13257661 - Fossil diatom, light micrograph
13358995 - Agate from Brazil, LM
13358948 - Agate from Brazil, LM
13358891 - Agate from Brazil, LM
13358883 - Agate from Malawi, LM
13358761 - Agate from Brazil, light micrograph
13257673 - Diatom, light micrograph
12639150 - Lime Clock
13435329 - Radiolarian, SEM
13378027 - Chalcedony rose
13358947 - Agate from Malawi, LM
13358830 - Crazy Lace Agate, LM
13358807 - Ocean Jasper from Madagascar, LM
13358747 - Ocean Jasper from Madagascar, LM
13273123 - Diatoms and algae, polarised light micrograph
13244736 - Gomphonema diatoms, polarised light micrograph
13242888 - Feldspar and quartz
12992621 - Sponge spicules, SEM
12895454 - Quartz nodule,illustration
12639149 - Potato Clock
12581434 - Assorted diatoms, light micrograph
12539880 - Stalked pennate diatom (Gomphonema sp.), SEM
13435624 - Aulacoseira granulata diatoms, light micrograph
13435355 - Radiolarian, SEM
13377733 - Silicosis, light micrograph
13359332 - Ochre
13359063 - Ocean Jasper from Madagascar, LM
13359039 - Agate from Brazil, LM
13358955 - Agate from Brazil, LM
13358765 - Ocean Jasper from Madagascar, LM
13358584 - Agate from Brazil, LM
13358495 - Agate from Brazil, LM
12639148 - Potato Clock
12490748 - Tabellaria diatoms, light micrograph
13435625 - Aulacoseira granulata diatoms, light micrograph
13435215 - Diatoms, SEM
13359060 - Ocean Jasper from Madagascar, LM
13359048 - Ocean Jasper from Madagascar, LM
13359015 - Ocean Jasper from Madagascar, LM
13358862 - Agate from Brazil, LM
13358771 - Ocean Jasper from Madagascar, LM
13500991 - Diatom, light micrograph
13476882 - Brushing silica sand into the surface of artificial turf
13435218 - Diatom, SEM
13359057 - Agate from Brazil, LM
13358751 - Agate from Malawi, LM
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