Showcase  13
April 19, 2017

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  Copper crystals

White Pine mine
Ontonagon County
Michigan

Amazing crystallization on this miniature. Bottom of this specimen is composed of larger crystals with stalks of stacked "pyramids" emerging from the top.
4.8 x 3.0 x 2.5cm

TM 19-800


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
  TM 19-800
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 19-800
     
     
     
     
     
     
     
     
     
     
     
~   ~
     
     
     
     
     
     
     
  Datolite

Mesnard mine
Houghton County
Michigan

Nice yellow with red and pink inclusions. From the tenth level of the Mesnard, discovered in the late 1970s when Homestake Mining was doing exploratory work.
3.6 x 3.0 x 1.8cm

TM 21-1041


SOLD
     
     
     
     
     
     
     
     
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  Copper crystals

Seneca mine
Keweenaw County
Michigan

Very aesthetic specimen of well crystallized copper that has its original cuprite and tenorite coatings. From D. Richards' collection.
12.2 x 5.8 x 1.7cm

TM 19-801


SOLD
     
     
     
     
     
     
     
     
     
     
  TM 19-801
     
     
     
     
     
     
     
     
     
     
     
     
  TM 19-801
     
     
     
     
     
     
     
~   ~
     
     
     
     
     
     
     
     
     
     
  Copper in Calcite

Lake Superior Copper District
Michigan

Excellent miniature of stepped calcite crystals filled with bright native copper. The calcite has some orange fluorescence under u.v. First copper-in-calcite we've seen that fluoresces. Comes with old Neil Wintringham label. From D. Richards' collection.
4.7 x 3.5 x 1.8cm

TM 75-496


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-496
     
     
     
     
     
     
     
     
     
     
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  Copper crystals

Phoenix mine
Keweenaw County
Michigan

Very fine miniature with good crystallization on all sides. Displays well, front and back.
4.1 x 2.5 x 1.8cm

TM 19-802


$60.00
     
     
     
     
     
     
     
     
     
  TM 19-802
     
     
     
     
     
     
     
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  Datolite

Keweenaw Point
Keweenaw County
Michigan

Beautiful butter-yellow specimen from the famous deposit off the tip of Keweenaw Point.
3.1 x 2.8 x 1.5cm

TM 21-1042


SOLD
     
     
     
     
     
     
     
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