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While hunting for fossils on the bank of the Grand River east of Tulsa, I found a large piece is limestone. Other than the limestone, I had no particular interest in the rock, but I thought the limestone rock would be a nice medium to practice prepping. However, once I began scratching a little here and there, I began finding fossils. Both sides and the edges of the sides are very fossil rich. Using dental picks and q tips, I began removing the matrix. On all surface areas, I began exposing various fossils, many that I’m unfamiliar with but I do recognize as fossils. Here’s the thing, some are tan, hard fossils, some are gray like shale, some are crystal like or crystal, and today I found one that feels like latex. Is this common? One rock with various, for lack of the scientific discourse, textures? I think there may even be a metal thing in there. I wanted to send pictures using the microscopic camera but I cannot get the thing to work. My granddaughter has been trying to teach me but you know I am far from a digital native and remember having trouble with those little instamatic cameras. The latex feeling fossils aren’t toxic are they? I’m sure this is common knowledge in your fields but for me it’s very new and complicated. Google doesn’t help either. Thank you all in advance for offering some explanations, and I really appreciate the time you folks take to teach us folks without science backgrounds the basics and often complicated knowledge of your discipline. I’ve attached an image I took with my phone before I began prepping.