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Found 22 results

  1. I am wondering if anybody else has ever come across a fossilized Seabiscuit that is showing some form of crystallization
  2. Calcite in the Peace river

    So i have heard stories of people finding crystals in shells on the peace river. I'm assuming it's yellow calcite but i could be wrong. Anyone hear the same or know some places?
  3. THIS ONE HAS SEXY FOSSILS- heck, I can even feel the cockles clamming-up over this one! Sooooo... did I get this right? (Not volcanic glass, and definitely from “ancient water”....right?). :-D
  4. A while ago I bought this tiny gault clay ammonite preserved in pyrite and in a few months of storage next to dessicant mineral these strange white crystals have grown. -pyrite disease?
  5. All the beauty you see against the blue sky is a story of time from the book of rocks, uplifting, cleaving, and eroding in wonderful ways. I searched and got this Socorro County geologic map. A rather immense amount of study involved in this document. Best at 175% zoom. If I lived there all the time I might come to understand it. https://geoinfo.nmt.edu/publications/openfile/downloads/200-299/238/ofr_238.pdf
  6. Hello from Cyprus, warm wishes for exciting finds to everyone! Here is a relatively bigger oyster than my usual finds, this one is complete and inside small crystals have formed, could be calcite not sure. Took advantage of the heavy rainfall and found it on muddy collapsing hills north of akrotiri area. I found half, and half a meter further I dug out the other half Perhaps you can better see the small crystals that formed all over inside both parts below Nearby I found also the following: found position, but i think they are not matching and this single one
  7. What is it?

    Recently found this odd looking rock with a very concrete like feel to it. it has multiple fossils and crystals on it but what is weird is this flower shaped crystal on it.
  8. I went exploring today. I hit 3 places. The 1st two were the Ozan in Rowlett. The first 2 were a busts, but the 3rd was in the Eagle Ford in Dallas and it was a very interesting place. I can’t say that I found specific fossils per se, but I did find the product/remains of prehistoric animals. I was ecstatic with my finds. Septarian nodules have been on my bucket list of things to find. I found a hill full of them!!! I got there less than an hour before sundown and was thrilled with what I found. This one is very cool, but I’m not sure what the original creature actually was. The only thing I can think of is that it was an ammonite and maybe the septa became crystal filled, but that is a total guess. The curves on the edge and sides don’t look right, but I’m not sure exactly how these formed in the particular area. It honestly looked like the badlands or something desolate with nothing growing there and was a very fine soft gray shale. I found a lot of what I think are aragonite crystals at the site as well as some other beautiful crystals. I have never found any crystals in this form before. So I’m thrilled and hope to go back tomorrow if I don’t get paged into work tonight. This is the one I’m very curious about. Maybe some of you may have seen something like this before, but I have not. I think it is super cool though. I’m pretty sure it was once a critter of some sort. I believe it is a septarian nodule, but there are no septarian marks externally like you usually see. When I was washing off other nodules I found, as I was washing, the exterior began to slough off and the septarian lines became visible. There are basically 7 bundles of crystals across this thing. Some are kind of merged. #1 This one has me most curious of all. #2 other edge. Right edge is encrusted with what I guess could be considered pyrite disease, rusty material mixed with crystals encrusting it. I have found an ammonite before that was rusty with crystals like this. #3 Close up of the encrustation with small crystals jutting out. They’re hard to see. #4 one side. The other side is less descript. The curve on this doesn’t look ammonite to me. I found some pieces that looked almost turtle like, but I don’t know turtle stuff when I see it. I will say the rock material is soft and is a fine shale like texture and material so when wet it becomes slick almost like soap, but no bubbles. This is a 2nd find in the same area. In the center below the crystal on top is a sea shell. Wish I knew what kind, but not much is exposed. All you can see is the mother of pearl inside the shell. #5 note crystal branching in 3 directions below shell, there is also a beautifully formed crystal on top that is pristine and wafer thin that was part of the septarian, but the non-crystalline material has eroded away leaving the flower petal like crystal. #6 This is it from another side. You can see more of the septarian sections. If anyone knows the critter this arose from or the crystal type I’d like to know it. Calcite and gypsum are most common here. There is brown too. I also found stone with green crystals. This is a 3rd find in the same area. #7 I found these bars just laying on the ground like this. They looked so peculiar. I couldn’t figure out what they were. I thought they looked a little like columnar basalt, but knew that wasn’t it. There was a small nodule in the ground less than a foot away that was cracked all over and filled with crystal. I wanted to dig it out. In the process of digging it out I found another hard object just under where these were. I thought it was a solid rock, but when I started to move it the rock came apart in these shapes. #7 cleaned up a little at home. #8 one up close. I believe they are all covered in aragonite or brown crystals. I’ve been told that when an ammonite is encased in a nodule and then the mineralization process takes place that often aragonite crystals form as a result from the nacre in the ammonite shell. I have not found the source of that claim though. Can anyone tell me how these formed and what the crystal is? Is it aragonite? How would I know? I can provide higher resolution pics upon request. I had to make these low res to get all of them in here. @Uncle Siphuncle, @Fruitbat and @BobWill you 3 have hunted the Dallas and North Texas area for many years. I assume you’ve seen these sorts of things and may have insight you can share.
  9. Druse wood from texas

    Can anyone I.D? Covered in tiny crystals, looks like a thousand camera flashes going off when you walk by it. I found all these the other day. The big sparklee one is 40 lbs
  10. What in the world... ??

    Found by a friend in a creek near KC, Kansas. Never seen anything like this. Also, I'm new to all of this so I don't have the slightest clue what I'm looking at... Is it even real????
  11. Can you tell me what this is?

    Hi, I am just wondering if you could tell me what you think this is? Kind regards Jack
  12. clam fossil or rock?

    the inside of these have crystals, i think it looks like a clam but i dont know. anyone have an idea? thanks! its 28 inches in diameter.
  13. clam fossil or rock?

    the inside of these have crystals, i think it looks like a clam but i dont know. anyone have an idea? thanks! its 28 inches in diameter.
  14. I collected these from 2 different spots. One from the creek between my apartments. And the other from crystal canyon.
  15. Herkimer Diamond Trip

    I am planning on taking my kids to the Herkimer Diamond Mine on Saturday May 6. I am wondering if anyone would be interested in meeting up.
  16. New rock hunter

    Hello Y'all. I'm new to Waco, from. San Antonio. I am looking for any places where I may look for rocks\crystals\ anything new. I've read post on here about Waco pit and Whiskey Bridge, but is there any other place?? Has anyone ever found things by the BRazos River by Cameron Park? Thank y'all very much.
  17. Have been unable to identify. Found near Seattle, WA in a residential area so is possible it's non-native. Thinking this is a plant due to the inner patterns? Or could it be burrows? There are so many on this rock! Thank you for any help pointing me in the right direction.
  18. Is this a Mastodon Tooth?

    I recently went rock hunting in north Texas, where I stumbled upon this interesting looking fossil in a dried up river bed. This was the only specimen I found of this nature. However, the area around the dried river bed is rich in arrowheads, if that information is useful at all. A friend told me that it looks to be a Mastodon Tooth. Now I'm no expert, but I have my doubts about that. I would really appreciate a second opinion on this. The fossil is roughly 1.5 inches is length, and 1 inch in width. There seems to be grooves around the sides where small crystals have formed. The top of this "tooth" resembled tree rings, while the bottom has irregular, curved lines.
  19. Sliced Ammonite with crystals

    From the album Ammonites & Ammolites

    A pair of sliced Cleoniceras besairei from Mahajangar, Madagascar
  20. You are here Home » Project Highlights » Industrial Minerals, Outreach » The Geology of Illinois Gallery Seeks Donors and Exhibitors The Geology of Illinois Gallery Seeks Donors and Exhibitors The Illinois State Geological Survey (ISGS), a division of the Prairie Research Institute at the University of Illinois at Urbana-Champaign, is forming a new exhibit gallery devoted to Illinois geology. This permanent exhibit, named the Geology of Illinois Gallery, will be housed in the Natural Resources Building on campus. The Gallery will become a focal point of the Survey, showcasing exceptional minerals and fossils of Illinois and providing educational information. The goal is to increase earth science awareness and introduce geologic concepts. The Gallery will be open to the public and will encourage school field trips and visits from those who are curious about early life, the development of life-forms, and the foundation of rocks and minerals. We are building a collection of mineral specimens for a rotational display that will showcase world-class examples of minerals found in Illinois, including fluorite, barite, benstonite, calcite, galena, sphalerite, strontianite, and witherite. We are also seeking fossils that represent the diverse habitats of Illinois from ten thousand to five hundred million years ago, including lagerstätten, Mazon Creek flora and fauna, Pontiac crinoids, Grafton trilobites, and specimens from the recently discovered Georgetown fossil rain forest. We can assure donors that their donated specimens will appear in a permanent rotational display and will be curated and catalogued for complete accountability. When specimens are not on display, they will be secured, stored, and delicately preserved in a walk-in safe. All specimens will be preserved and handled with the utmost care, and all donors will be appropriately recognized in the Gallery. For more information, please contact Kathy Atchley, ISGS, 615 E. Peabody, Champaign, IL 61620; phone: 217-244-9527; e-mail: katchley@illinois.edu(link sends e-mail). Electronic donations are accepted on the University of Illinois Foundation web page at http://giving.illinois.edu/. Search for the Geology of Illinois Gallery Fund. Or, download a printable gallery donation form (pdf). Contact: Kathy Atchley Search form Search ISGS Publications Geology of Illinois $35.00 Buy this book >
  21. A week ago, on Thursday, I set some chunks of limestone in a vinegar bath to extract microfossils. Since my vinegar supply was low, I only filled the tubs halfway, and I left the lids off. My plan at the time was to return in a couple of days to filter the liquid, but life intervened, and by the time I could do something else with them, they were growing some rather pretty crystals! I decided to leave them alone and see what developed. Here's what they look like today: I think this one looks like caulifower: And this like a leafless forest: Unfortunately, the "cauliflower" fell off the rock after I took the picture, and some of the "trees" are falling down (which is why I decided to photo it today!), so it's probably time to decide whether to continue processing or try to preserve them as they are. I don't know whether these crystals will persist in the absence of a calcium carbonate-enriched solution or not. Just thought I'd share my unplanned chemistry experiment!
  22. Sparkly Coral

    Hey everybody! New here. I needed help with this, and I thought this looked like the best place to go. I found this chunk of coral in the gravel at the edge Middle Fork of the Vermillion River in Vermillion County in Illinois. I hadn't ever seen anything like it before. I cleaned it up a bit (just water, no chemicals). The top edge is worn from the river, but many of the tiny crystals are in good shape. It is about 8 cm long, and the longest crystals are maybe 1-1.5 mm long. The pictures don't really do it justice- it sparkles like crazy. If anyone could ID the species/time period/rock layer I would be grateful. I don't know much about geology. Is it normal for crystals to grow in coral this way? What tests can I do to figure out what kind of crystal it is? If there is other information/photographs I can provide, please let me know! Thanks!
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