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Showing results for tags 'blue springs quarry'.
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I bought an unprepped, slightly damaged Breviceps trilobite from HoldingHistory recently to see if I can actually prep something. No air pen, no air abrasives, no real tools at all. Just some needles, pin vices, dental picks, an old nylon cleaning brush from an electric razor & some hydrogen peroxide. Many hours later, I have gotten it to this. I may try to get the last little bits of matrix out of the crevices at some point, but for now I'm pretty happy with my first real attempt. 2 pics showing before, the rest current. Not too terribly bad, is it?
I recently purchased an unprepped Calymene breviceps trilobite from @holdinghistory from the Blue Springs quarry in Indiana & started trying my hand at prepping (by hand). I'm using dental picks, needles, pin vices, small nylon brushes & hydrogen peroxide (actually softens the top layers of the matrix a bit). Anyhoo, I saw something in the pics that got me curious & once I had worked the trilo for a bit, I decided to see if I could prep the whatever it was some & find out what it is. Included is one of the original pics from his post & a micro shot of the thing I'm asking about. It measures a whopping 11 mm in length. It isn't the cleanest, but it looks ok. It seems to have been hollow at one point, but I don't know. Any idea's? The red circled area is what I saw in the original pic. Oh yeah, there's a lot of pyrite running through the matrix. Nasty little veins of it.