File:Estonian Museum of Natural History Specimen No 204339 photo (g286 g286-156 jpg).jpg

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Eesti: Kerajas rüoliidi agregaat sisaldab tähekujulist ahhaati. Taolised ebakorrapärase kujuga ahhaadid on tüüpilised happelistele vulkaanilistele kivimitele. Ahhaadinäidis pärineb Saksamaalt tuntud ahhaadileikohast Saint Egidien’st. Ahhaadis on selgesti eristatavad punased hematiidi suletised. Rohkem teavet selle faili ja selle eksemplari kohta lehel geocollections.info
English: A star-like fortification agate from rhyolitic thunderegg. Occurrence of such nodule-like structures is connected with acidic lava flows. Jasper, chalcedony or agate could be found inside of thundereggs. Specimen from well known agate locality – Saint Egidien, Germany. Red hematite inclusions are clearly visible inside of rusty agate bands. More info about this file and about this specimen at geocollections.info
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institution QS:P195,Q12361299
Author Kaarel Tiidus
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current15:19, 26 August 2019Thumbnail for version as of 15:19, 26 August 20193,201 × 2,401 (3.5 MB)LoodusmuuseumBot (talk | contribs){{Information |Description = {{et|1=Kerajas rüoliidi agregaat sisaldab tähekujulist ahhaati. Taolised ebakorrapärase kujuga ahhaadid on tüüpilised happelistele vulkaanilistele kivimitele. Ahhaadinäidis pärineb Saksamaalt tuntud ahhaadileikohast Saint Egidien’st. Ahhaadis on selgesti eristatavad punased hematiidi suletised. Rohkem teavet [http://geocollections.info/file/61762 selle faili] ja [http://geocollections.info/specimen/204339 selle eksemplari] kohta lehel [http://g...

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