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Showing results for tags 'crystals'.
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Anyone know what this green mineral is in this cephalopod fossil?
loganas posted a topic in Fossil ID
I found it in Southern Ontario next to a creek. I know it's a straight shelled cephalopod but anyone know the green mineral inside. -
Snow storm overnight allowed me some time to expose this cephalopod in it's Galena/Ordovician matrix. Only the crystals were exposed so I was happy with what was hidden beneath the rock. As I have said many times in the past, I love the combination of fossil and crystal.
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Found this while digging in my yard - anyone know what it is?
dillincisneros posted a topic in Rocks & Minerals
Hey, I need some help in identifying this specimen. I found it by a tree I was digging out in my yard a few months back, and I don't know what it is. I took it to a gem and rock store once, and the guy there put some liquid on it to test it, but he said it wasn't coming back as anything, and he couldn't tell me what it was. Aany ideas would be much appreciated. Thank you . -
We live in Southwest Michigan. We have a large barn filled with miscellaneous things including many large rocks collected over the years. We have no idea where this one might be from- possibly belonged to our Aunt from Chicago who spent time in Australia, Hawaii and Florida (sorry I know that doesn't help I'm just trying to give details). I really love this rock, and would appreciate any thoughts! I have the utmost respect for paleontology, and zero experience in this field unfortunately, so I do not know how to look at this with educated eyes. Knowing this, forgive me as I describe what I see: The rock is very heavy (20 lbs) and appears to have metal or iron embedded in certain spot areas. In those particular areas (of iron) it is shiny, slippery and smooth. All other areas are rough, rock like. There are a few tiny bright green flecks that look like gemstone, as well as little crystal flecks at the flat end where it appears to have been broken off. Opposite that end, at the more narrow end, there is a series of something that looks like it could have been alive- a tiny spine or something? A long bug? Additionally there is a mark in the center that stands out almost heart shaped that is interesting in appearance as well. I have it positioned on a round placemat that is 15 inches across. It is so heavy that if I pull the placemat across the granite, it feels like it's cutting or scraping the granite surface. Thanks in advance, looking forward to your comments!
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Inclusion in an Australian boulder opal - is it organic or a mineral?
Vopros posted a topic in Micro-paleontology
This is a boulder opal from Australia. The dimensions in mm are 8 x 6 x 2. The pictures are taken under a microscope, and the resolution is low. in the images #1 and 3 you also could see the background, which IMO is also unusual. I wonder if the inclusion is organic, and if not, what mineral could it be? Thanks!- 1 reply
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Found these last summer but just getting the energy to find somewhere to ID them. I'm not sure what the crystallized impression is, but I know at the very least that the others are probably crinoids of some kind. Thank y'all, even if nobody can ID at least others can enjoy.
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Found possible fossilized fish / turtle head in S. Nevada.
702gemologist posted a topic in Fossil ID
Hi y’all I just visited an abandoned mine here in Nevada, and found a crystal covered rock, or so I thought. it’s from a local manganese mine and found at the shore of the lake . I 1/4 of this was sticking out of the ground. when I took it home and cleaned it up a bit I noticed weird “sockets” and what looks like either a fossilized fish fin or some sorts. maybe my imagination playing tricks on me . Maybe you can help. I also think I may have found a dinosaur egg that I first thought was a geode. IMG_6828.MOV- 16 replies
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Last weekend our club got together in a quarry. The leader said it was primarily for mineral collection and explained few if any fossils are found in this Devonian material. He was absolutely correct and I was equally disappointed! Our club hunts typically produce both minerals and fossils. But not this quarry. Here is what I scraped up: Not too impressive for 8 hours of exploration. I did manage to also find a trilobite cephalon that I donated to a member that found a pygidium. Anyways, the minerals, unlike the fossils were plentiful, varied , and beautiful. I stumbled upon one vug that measured close to 24 inches across and was on the lower corner of a 2 ton boulder, covered with 1-2 inch crystals!!. The belt of my rock saw gave out after about 30 minutes of rock removal forcing me to leave it behind. Our leader is going to see if the quarry can pull this beast to the side and he will try to extract this wonderful specimen. When I returned home and began chipping matrix away from some of the vugs, a special treat was in store for me. A black spot showed up on the exposed layer of a specimen as I worked on it. After I exposed more of the dark area, it turns out, this quarry did indeed have an exceptional Devonian fossil. I am not sure of the identity of this tooth. So these images will also show up in "Fossil ID"
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I have found, what I believe to be a fossilised vertebra, and would like any advice on what species it could be and how old it may be. The item was found along a riverbank. It has a surprising weight for it's size - I can record the exact weight with electronic scales within the next 24 hours. The object appears to be of white bone with a red/iron marrow present through the centre. There are crystals in the recesses which sparkle when the light hits it and when it is wet. The top and bottom of the item are very smooth. The specimen has been washed with warm water and a toothbrush. It ts extremely tactile, a pleasure to hold! I didn't want to put it down until I decided to keep it in a resealable plastic bag. I have some pictures which I will enclose (the sun was setting and so there are long shadows cast - magnify the images for better clarity) - I am a novice photographer! I also have a short video which could be sent via WhatsApp. I have contacted my local museum and left a voice message - the museum closed for refurbishment for 2 years about a week ago!
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This rock is full of crystals that catch the light. It could've been a seashell that left this imprint, but I have to wonder if there is more than meets the eye. Any ideas? Please have a look..
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Hi everyone, First, thank you very much for your help in identifying fossils! I just discovered this resource, and am grateful it exists. I found this unknown piece in a collections storage closet in the museum I work for. It was mixed in with other fossils and geology samples. Unfortunately, it was unlabeled, and so I do not know where or even when it was found. Again, thank you for your help, and I apologize for not having more information about the piece. If you need any other pictures, I would be happy to take them.
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I am visiting my wife’s brother and he found these in the desert in egypt many years ago. He was told they are fossilized camel dung. Anyone out there know what they are for reals? They are very dense. I hope the pix are ok. This is my first ever post from my phone. Adult human hand for scale.
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Gastropods with calcite crystals from Oxfordian stage (163,5 mln years)
Svetlana posted a topic in Member-to-Member Fossil Trades
Hello everyone. I offer interesting gastropods with calcite crystals - perhaps someone will be interested I have a lot of them. Pseudomorphoses of calcite after gastropod shells of the genus Nerinea from Upper Jurassic limestones of the Oxfordian stage (Izyum Formation J2-3iz); 163,5 mln years. Ukraine, Donetsk region. I'm interested in everything - I invite you to private messages Have a nice day VID_20220122_135535.mp4 VID_20220122_135732.mp4 -
I think I’ve posted before in the wrong area…hoping this is reaching y’all: found this in Bexar County San Antonio, Texas in my neighborhood which is new construction. In this area I’ve found a lot of petrified trees and other types of possible water creatures. I’ll attach those pics since I may have posted them in the wrong discussion area.. this looks like a shell of some sort and has beautiful little crystals in the ‘valleys’ of the sunburst pattern..
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This is full of crystals. Crinoid? Belemnite? In flint rock, shape is approx 10cm across. Jurassic Coast, UK. Thank you.
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Crystal Mountain Museum (crystals, minerals and fossils)
Gareth_ posted a topic in A Trip to the Museum
Last weekend I went to Crystal Mountain, it is a retail store with attached cafe, animal feeding, small rollercoaster (for the kids), large indoor playground etc overall a pretty cool place to visit. Under the shop there is a museum, which is what this post is about - not your typical museum, a lot of things are unlabeled unfortunately, it's quite small (just 3 large rooms with corridors) all set up to look like you're deep underground in a cave. These photos are in no particular order I got my youngest (6 years old) to pose in front of some of the really big crystals to add a bit of scale The complete skeletons and dinosaur skull are plastic- 14 replies
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Hello. I want to show you some examples from my collection. This is a Carboniferous wood. The preservation is not the best, but for me these samples are interesting for the presence of crystals of smoky and ordinary quartz on them. A sliver that has broken off from a larger fragment. There is more quartz than wood Perhaps a stem or stump - it is almost round in cross section. And thickly overgrown with crystals. Large flattened fragment; perhaps the first sliver was from it.
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Hello i just buy right now ammonite fossil with crystals on it
Tseytlin posted a topic in Is It Real? How to Recognize Fossil Fabrications
So guys its very randomly im not collector or something like this - I buy through auction houses , and I buy a fossil last day because its was on low price and no one wanted to buy it. I tried to search any information to how recognize if its fake or real and value there is no information about it , so I will be happy to get more information about it. I buy it inexpensively. I know its above 100g didn't weight it still because it's shipping to me right now and he got lot of minerals crystal and the things that grow on it with the years There is the pictures , sorry for bad english -
Hi, I found this stone in...a charity shop. I really love it but I’m not sure what type of stone it is and the only one I can connect it to would be stromatolite. It has more unusual pattern though. Please could someone help me with identification. It has a clear quartz (I think) in the middle, it should be visible on the photo. Thanks
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Parkinsonia parkinsoni (ammonite) Jurassic, Upper inferior Oolite Bridport Dorset. UK 6.5" The first photos I took a few years ago did nothing for this unique specimen. I found it difficult capturing the details and still think they could be better. The ammonite has many chambers preserved in calcite that glow when backlit. Calcite crystals can be seen growing inside some of the empty chambers. Fossil, mineral, crystals, art, science, love Happy collecting.
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Trying to find out what kind of crystals he's our guy was told it's just a different type of Amber they look kind of like fools gold little half domes not sure
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