Minnesota Mineral Specimens For Sale

 

OKH-901

OKH-901    Groutite     Robert Mine, Cuyuna Iron Range, Cuyuna, Minnesota.  Ex. Paul and Dawne Dunning Collection.  A nice example of crystals of this rare mineral to 1 cm each on a groutite massive matrix.  The piece is very lustrous and well crystallized along its upper surface.  Measurements are 2.4 x 1.5 x .8 cm and it is secured in a perky box.  No damage.  $40

 

 

 

 

 

OKH-649

OKH-649    Groutite      Robert Mine, Cuyuna, Minnesota.  Ex.  Paul and Dawne Dunning Collection.   This fine example of these rare crystals measures 4.6 x 2.9 x 1.4 cm and is composed of plates up to us centimeter wide.  For groutite crystals these rank is huge.  There are very high luster and tabular form.  To the untrained eye one would think they were hematite crystals.   Very fine.  $160

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