Also found this one with buish/grey quartz

[fuss]

Also found this one with bluish/purple/grey quartz

The quartz in this one has a bluish/purple color, Found in north central WI.



Thx

 

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[princemarinette]

I looked in my National Audubon Rock & Minerals field guide and it looks like Lazurite with Pyrite. (if you have the same book picture on page 129)

 

[stdenis_jd]

this is orthoclase feldspar (white) and blue quartz/chalcedony with either pyrite or limonite.