I just wanted to point out the excellent photos of Coquandite and associates from the co-type locality at the Lucky Knock Mine, Washington, USA that Saul Krotki has posted:
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www.mindat.org]
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www.mindat.org]
[
www.mindat.org]
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www.mindat.org]
Thanks to Saul for the photos. Does anyone have pictures of Ferritugsite, Mackanawite or Ferrierite-Na?
Karl