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B.S.N.H. (2)
Kristelle (2)
Bradley W.W. (1)
Brush G.J. (1)
Burminco (1)
California Academy Of Sciences (1)
Dr. Leland C. Wyman (1)
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Mt. Diablo Mine (Diablo Mine; Ryne Mine) (9)
Mt. Diablo (4)
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Contra Costa Co. (2)
Berkeley Hills (Contra Costa Range) (2)
Pittsburg (2)
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Minerals (24)
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MGMH (26)

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Mt. Diablo Mine (Diablo Mine; Ryne Mine) (9)
Mt. Diablo (4)
Red Rock Island (3)
Berkeley Hills (Contra Costa Range) (2)
Contra Costa Co. (2)
Pittsburg (2)
Turtle Rock Quarry (2)
El Cerrito (1)
Pinole (1)

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25 to 26 of 26 for
  • Geography: Contra Costa Co.
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Psilomelane

Psilomelane

Place Collected: Red Rock Island
Metacinnabar

Metacinnabar

Place Collected: Mt. Diablo Mine (Diablo Mine; Ryne Mine)
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/ 3
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