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Siliziumdioxid Bilder ❘ Science Photo Library
13674197 - Green alga and diatom, light micrograph
13633570 - Quartz coated with silica
13674148 - Diatoms, light micrograph
13674051 - Silicoflagellate, light micrograph
14078492 - Pure substances and a mixture
13674198 - Aulacoseira granulata diatom, light micrograph
13613375 - Celeste River, Costa Rica
13613377 - Celeste River, Costa Rica
13674150 - Radiolaria skeleton, light micrograph
13687197 - Gomphonema diatoms, light micrograph
13674032 - Triceratium antediluvianum diatom, light micrograph
13674193 - Three species of diatoms, light micrograph
13633556 - Hyalite
13674052 - Tabellaria flocculosa diatom, light micrograph
13674034 - Coscinodiscus sp. diatom, light micrograph
13359062 - Ocean Jasper from Madagascar, LM
13359035 - Agate from Brazil, LM
13359012 - Crazy Lace Agate, LM
13358861 - Agate from Malawi, LM
13358500 - Ocean Jasper from Madagascar, LM
13674199 - Green alga and diatoms, light micrograph
13358864 - Agate from Brazil, LM
13358838 - Agate from Brazil, LM
13358774 - Ocean Jasper from Madagascar, LM
13358494 - Agate from Brazil, LM
13273081 - Heliozoan, diatoms and alga, light micrograph
13242914 - Opal
13674192 - Green alga and diatoms, light micrograph
13613376 - Celeste River, Costa Rica
13359053 - Agate from Brazil, LM
13359014 - Crazy Lace Agate, LM
14078490 - Sand in water
13674031 - Gyrosigma sp. diatom, light micrograph
13506574 - Diatom, SEM
13359038 - Agate from Brazil, LM
13358752 - Agate from Brazil, LM
13358499 - Ocean Jasper from Madagascar, LM
13273124 - Diatoms and algae, polarised light micrograph
13257669 - Diatom wall, light micrograph
13765676 - Diatom, light micrograph
13435611 - Fragment of a diatom, light micrograph
13358999 - Crazy Lace Agate, LM
13358962 - Ocean Jasper from Madagascar, LM
13358809 - Ocean Jasper from Madagascar, LM
13358582 - Agate from Brazil, LM
13358498 - Ocean Jasper from Madagascar, LM
13273080 - Ophrydium protozoa and diatoms, light micrograph
13257680 - Diatom, light micrograph
13257655 - Fossil diatom, light micrograph
13674049 - Arachnoidiscus sp. diatom, light micrograph
13674033 - Arachnoidiscus sp. diatom, light micrograph
13672109 - Epithemia diatoms, light micrograph
13358776 - Agate from Malawi, LM
13358753 - Ocean Jasper from Madagascar, LM
13355528 - Quartz nodule, polarised light micrograph
13273109 - Diatoms, polarised light micrograph
13257663 - Fossil diatom, light micrograph
13244795 - Tabellaria diatoms, polarised light micrograph
13435599 - Campylodiscus sp. diatoms, light micrograph
13359902 - Petrified Forest National Park
13258493 - Lung silicosis, light micrograph
13257656 - Fossil diatom, light micrograph
13613626 - Amethyst
13378017 - Picture jasper
13358968 - Agate from Brazil, LM
13358905 - Agate from Brazil, LM
13358880 - Agate from Brazil, LM
13358576 - Agate from Brazil, LM
13257666 - Diatom, light micrograph
14078491 - Mixture in water
13756091 - Diatomaceous earth quarry
13435583 - Odontella sp. diatom, light micrograph
13358953 - Agate from Brazil, LM
13358587 - Agate from Brazil, LM
13273095 - Diatoms and algae, polarised light micrograph
13257679 - Diatom, light micrograph
12992638 - Sponge spicules, SEM
12992613 - Sponge spicules, SEM
13674177 - Golden algae, light micrograph
13674067 - Golden algae, light micrograph
13500989 - Diatom, light micrograph
13435609 - Navicula sp. marine diatom, light micrograph
13358954 - Agate from Brazil, LM
13358949 - Ocean Jasper from Madagascar, LM
13358887 - Lake Superior Agate, LM
13358839 - Agate from Malawi, LM
13358750 - Agate from Brazil, LM
13435605 - Campylodiscus sp. diatoms, light micrograph
13359050 - Agate from Brazil, LM
13358526 - Agate from Argentina, LM
12959457 - Opal ring
13476810 - Silicosis of the lung, light micrograph
13359487 - Red Jasper
13359402 - Green Jasper
13359054 - Agate from Brazil, LM
13358884 - Agate from Brazil, LM
13358738 - Ocean Jasper from Madagascar, LM
13358622 - Ocean Jasper from Madagascar, LM
13273127 - Diatoms and algae, polarised light micrograph
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