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SophiaJoy MB's Mindat Home Page

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About SophiaJoy MB

Registered member since 18th Jul 2012
SophiaJoy does not yet have a home page article.


Favourite Photos

Annotated Photograph

Rio Grande do Sul, Brazil

A section of my Brazilian Amygdule, labeling the various layers.
Photo ID: 665672     Uploaded by: Dave Crosby   View Count: 134   Approval status: Public galleries    Type: Photo - 800 x 1000 pixels (0.8 Mpix)

Basalt Diagram

A diagram I produced generalizing how basalt crystals change as the mass cools.
Photo ID: 665667     Uploaded by: Dave Crosby   View Count: 111   Approval status: Public galleries    Type: Photo - 598 x 673 pixels (0.4 Mpix)

GL1-1HQGoethite : α-Fe3+O(OH), Calcite : CaCO3

Glageon Quarry, Avesnes-sur-Helpe, Nord, Nord-Pas-de-Calais, France

detailed view of spherules 0,3 to 0,4 mm goethite
Photograph and collection jm.CLAUDE

Copyright: © jm.CLAUDE      Photo ID: 369443     Uploaded by: Jean-Marie Claude   View Count: 149   Approval status: Public galleries    Type: Photo - 656 x 581 pixels (0.4 Mpix)

goethite ?

Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA

Spheres of acicular goethite crystals on quartz with diaboleite. FOV 1mm. Brent Thorne specimen and photograph.
Copyright: © Brent Thorne 2011      Photo ID: 369412     Uploaded by: Brent Thorne   View Count: 146   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

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