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Mindat Auctions
Plumboferrite
,
Jacobsite
Plumboferrite
:
Pb
2
Fe
3+
11-x
Mn
2+
x
O
19-2x
, x = 1/3
,
Jacobsite
:
Mn
2+
Fe
3+
2
O
4
Photo Copyright © Kjell Gatedal Filipstad Sweden  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality:
Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden
Plumboferrite crystal showing perfect cleavage and jacobsite in calcite. Size picture 0.5 mm. Polished section, reflected light, open nicols.
Collection and photo Kjell Gatedal
This photo has been shown 602 times
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Collection and photo Kjell Gatedal
This photo has been shown 602 times