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Tridymite from Oregon, USA

08869640014947570702290.jpg
Tridymite

Summit Rock, Klamath County, Oregon, USA
03975490014971831941162.jpg
Tridymite

Lemolo Lake, Douglas County, Oregon, USA
00546330014965974479045.jpg
Tridymite, etc.

Lemolo Lake, Douglas County, Oregon, USA
07863780015922238272271.jpg
Tridymite, etc.

Lemolo Lake Quarry, Douglas County, Oregon, USA
01081990015208069193229.jpg
Tridymite

Summit Rock, Klamath County, Oregon, USA
04296130014979772381900.jpg
Tridymite

Lemolo Lake, Douglas County, Oregon, USA
09001770014978933769318.jpg
Tridymite, etc.

Lemolo Lake, Douglas County, Oregon, USA
08005500015919920534273.jpg
Tridymite, etc.

Lemolo Lake Quarry, Douglas County, Oregon, USA
01720620014950465123000.jpg
Tridymite

Summit Rock, Klamath County, Oregon, USA
06525800014971831941092.jpg
Tridymite

Lemolo Lake, Douglas County, Oregon, USA
07405450014971831944207.jpg
Tridymite, etc.

Lemolo Lake, Douglas County, Oregon, USA
07863780015922238272271.jpg
Tridymite, etc.

Lemolo Lake Quarry, Douglas County, Oregon, USA
USA
 
  • Oregon
    • Deschutes County
      • Newberry National Volcanic Monument
Bargar, Keith E. and Keith, Terry E.C. (1986) Hydrothermal Mineralization in GEO N-l Drillhole, Newberry Volcano, Oregon. United States Geological Survey Open-File Report 86-440.
    • Douglas County
      • Diamond Lake
K. Starnes, personal ID, 1992
Mineralogical Record Vol 16 Num 2
    • Klamath County
Kleck. W. D. (1970): Cavity Minerals At Summit Rock. American Mineralogist. 55, 1396-1404
    • Lane County
      • McKenzie Pass
        • North Sister Mountain
Martin, A.M.,Médard, M.,Devouard, B., Keller, L. P., Righter, K., Devidal, J-L., and Rahman, Z. (2015): Fayalite oxidation processes in Obsidian Cliffs rhyolite flow, Oregon. American Mineralogist: 100: 1153–1164.
Olsen, Edward, Bunch, T. E. (1970) Compositions of natural osumilites. American Mineralogist, 55 (5-6) 875-879
    • Linn County
Douglas Merson collection
    • Malheur County
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
Mineral and/or Locality  
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