Matthew Grimes Posted September 30, 2020 Share Posted September 30, 2020 Link to comment Share on other sites More sharing options...
Darbi Posted September 30, 2020 Share Posted September 30, 2020 Could be quartz, salt, gypsum, or calcite. Can you scratch it with your fingernail? If not, most likely quartz. If scratched with fingernail, then it's either salt, gypsum, or calcite. Does it start dissolving in water and when you lick it, it tastes salty? Then it's a salt. If it does not dissolve in water and it does fuzz when you put a drop of vinegar on it, it's calcite. Not dissolving in water and does not react to vinegar, it's gypsum. Link to comment Share on other sites More sharing options...
Matthew Grimes Posted September 30, 2020 Author Share Posted September 30, 2020 Soaked for three days in vinegar, can't scratch it, it actually ground down my wire wheel in the garage, not salty, and I put blacklight to it and spots glow a darker blue Link to comment Share on other sites More sharing options...
Darbi Posted September 30, 2020 Share Posted September 30, 2020 On 9/30/2020 at 2:53 PM, Matthew Grimes said: Soaked for three days in vinegar, can't scratch it, it actually ground down my wire wheel in the garage, not salty, and I put blacklight to it and spots glow a darker blue Yeah, most likely quartz. Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted October 3, 2020 Share Posted October 3, 2020 Probably quartz then. I agree. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
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