Mathias Posted October 22, 2021 Share Posted October 22, 2021 Quote Link to comment Share on other sites More sharing options...
Morlock Posted October 22, 2021 Share Posted October 22, 2021 It would help if you had closer pics. Quote Link to comment Share on other sites More sharing options...
Mathias Posted October 22, 2021 Author Share Posted October 22, 2021 1 hour ago, Morlock said: It would help if you had closer pics. See the attached images, correction though the rock came from the border between Austria and Switzerland Quote Link to comment Share on other sites More sharing options...
Bedrock Bob Posted October 23, 2021 Share Posted October 23, 2021 Looks like quartz to me. Quote Link to comment Share on other sites More sharing options...
Mathias Posted October 23, 2021 Author Share Posted October 23, 2021 5 hours ago, Bedrock Bob said: Looks like quartz to me. Do you know what the black is? Quote Link to comment Share on other sites More sharing options...
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