Riddle Mine, Riddle, Riddle District, Douglas Co., Oregon, USA
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|Latitude & Longitude (WGS84):||42° 57' North , 123° 22' West|
|Latitude & Longitude (decimal):||42.95, -123.366666667|
Springer(Can. Min., 1974) Compositional and Structural Variations in Garnierite: found the garnierite from Riddle to be a poorly crystalline serpentine and quartz under XRD. It has a composition with Mg 1.82 apfu and Ni 0.98apfu.
2 entries listed. 1 valid mineral.
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Mining Annual Review (1985): 326.