Showcase  12
March 27, 2019

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  Quartz crystals

Adventure mine
Ontonagon County
Michigan

Very fine miniature spray of quartz crystals, some with adularia crystals. Collected 1986 on the second level of the Adventure mine.
3.9 x 2.5 x 1.8cm


TM 75-529

$55.00
     
     
     
     
     
     
     
     
     
  TM 75-529
     
     
     
     
     
     
     
     
     
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  Datolite

Michigan mine
Ontonagon County
Michigan

Great color in this datolite from a seldom-seen location in Ontonagon County.
3.6 x 2.7 x 1.6cm

TM 21-1087


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
     
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  Copper crystals

Laker Pocket
Keweenaw County
Michigan

Excellent crystallization and color on this beautiful specimen from the Laker Pocket. Recovered from Lake Superior summer of 2008.
5.9 x 2.8 x 2.9cm

TM 19-843


$165.00
     
     
     
     
     
     
     
     
     
     
  TM 19-843
     
     
     
     
     
     
     
     
     
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  Chrysocolla/Copper

National mine
Ontonagon County
Michigan

Very fine example of chrysocolla with cuprite-coated copper running through the chrysocolla. Collected 1989 from the southern-most National shaft..
6.0 x 3.6 x 2.8cm

TM 75-530


SOLD
     
     
     
     
     
     
     
     
     
     
     
  TM 75-530
     
     
     
     
     
     
     
     
     
     
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  Datolite

Delaware mine
Keweenaw County
Michigan

Superb deep color in this medium-size datolite from our collection; in perfect condition front and back.

6.5 x 4.8 x 2.3cm

TM 21-1088

SOLD
     
     
     
     
     
     
     
     
     
     
     
     
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  Copper crystals

Cliff mine
Keweenaw County
Michigan

Superb branch of copper crystals that comes with a fine chisel chip, also found at the Cliff. Each ridge on the chisel chip represents one blow of a sledge hammer to a hand-held chisel, all done by candlelight: awesome.

Copper xls:   6.1 x 3.5 x 1.4cm
Chisel chip:   8.0 x 1.8 x 0.4cm


TM 19-844

SOLD
     
     
     
     
     
     
     
     
     
     
     
     
  TM 19-844
     
     
     
     
     
     
     
     
     
     
     
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