Montroydite, Cinnabar, Quartz (Var: Chalcedony)
Clear Creek claim, Goat Mountain, New Idria Mining District, San Benito Co., California, USA
Clear Creek claim (Clear Creek Mine), Goat Mountain, New Idria Mining District, San Benito Co., California, USA
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Brown sprays of montroydite laying flat against chalcedony with red cinnabar. Associated with mercury. Collected by Michael Cox, and from the 2019 NCMA giveaway table.
- 11th June 2019
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