New Members rockchucka Posted August 31 New Members Share Posted August 31 I found this in middle of Colorado springs. It is one of the strangest things I found on one of my walks around town I have absolutely no clue what it could be and it looks like there's something inside of it that's incased 4 1/2 cm by 3cm Link to comment Share on other sites More sharing options...
Fossildude19 Posted August 31 Share Posted August 31 Place a few drops of vinegar on it. If it fizzes, it is calcite. Rinse with water immediately. If it does not fizz, it is quartz. Could just be melted glass or slag, though. Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "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...
M Harvey Posted August 31 Share Posted August 31 It looks like a redeposited silicate like an agate. 1 Link to comment Share on other sites More sharing options...
DPS Ammonite Posted August 31 Share Posted August 31 Chalcedony. 3 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
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