New Members SnailedIt Posted April 30 New Members Share Posted April 30 I stumbled across this amazing place, but I have no idea what I am looking at. Just looking for a little knowledge because I can't afford to attend a college, as I am too busy collecting rocks! Link to comment Share on other sites More sharing options...
Ludwigia Posted April 30 Share Posted April 30 These are not fossils, but rather various stones, some of which have crystals in them, so you should get this transferred to Rocks and Minerals. The last photo shows either calcite or quartz. Calcite would fizz in acid, quartz would not. Posting photos of each stone from different points of view would perhaps simplify the determination, but please don't post too many stones at once, since this would be somewhat overwhelming. It would also help if you could describe the location. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Coco Posted April 30 Share Posted April 30 I think the crystals are quarter because I don’t see the fissile plane characteristic of calcite, and they are photographed too far away for me to see the crystalline form. The vinegar test will tell us more. Coco 1 ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Fossildude19 Posted April 30 Share Posted April 30 Lots of cobbles or concretions in the second photo. Not seeing any fossils, though. Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
New Members SnailedIt Posted May 2 Author New Members Share Posted May 2 On 4/30/2024 at 12:26 AM, Coco said: I think the crystals are quarter because I don’t see the fissile plane characteristic of calcite, and they are photographed too far away for me to see the crystalline form. The vinegar test will tell us more. Coco What is a vinegar test? Link to comment Share on other sites More sharing options...
Ludwigia Posted May 2 Share Posted May 2 1 hour ago, SnailedIt said: What is a vinegar test? I mentioned above that calcite would fizz in acid and quartz would not. Vinegar is a weak acid, so drip a few drops on the crystals. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
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