Showcase  12
March 21, 2018

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  Datolite

Mesnard mine
Houghton County
Michigan

Nice medium-size stone with a fine rose color and in perfect condition.
4.5 x 3.4 x 1.8cm

TM 21-1064

SOLD
     
     
     
     
     
     
     
     
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  Copper crystals

Isle Royale mine
Houghton County
Michigan

Great aesthetic group of cuprite-coated copper crystals that were etched from a block of calcite. Unusual for the Isle Royale mine.
6.7 x 5.6 x 2.3cm


TM 19-821

$120.00
     
     
     
     
     
     
     
     
  TM 19-821
     
     
     
     
     
     
     
     
     
     
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  Datolite

Flintsteel mine
Ontonagon County
Michigan

Very fine medium-size datolite with nice color from a small mine outside of Rockland, Michigan.
6.4 x 4.8 x 1.7cm

TM 21-1065


SOLD
     
     
     
     
     
     
     
     
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  Analcime/Calcite crystals

Phoenix mine
Keweenaw County
Michigan

Very fine cabinet specimen that has analcime crystals, apophyllite crystals, calcite crystals, and saponite. Some of the analcimes and calcites are filled with copper. Classic Phoenix mine material.
15.0 x 8.0 x 5.8cm

TM 75-517


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-517
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-517
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-517
     
     
     
     
     
     
     
     
     
     
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  Datolite

Lake Mine
Ontonagon County
Michigan

Very unique maroon color in this stone from the Lake mine. Most datolites from the Lake are in gray tones with black borders.

3.6 x 3.1 x 1.0cm

TM 21-1066

SOLD
     
     
     
     
     
     
     
     
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  Copper crystals

Phoenix mine
Keweenaw County
Michigan

Excellent small cabinet specimen of arborescent copper crystals. One side has a beautiful cuprite patina while the opposite side a nice copper patina.

7.5 x 4.8 x 2.3cm

TM 19-822

SOLD
     
     
     
     
     
  TM 19-822
     
     
     
     
     
     
     
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  Copper/Silver

Minesota mine
Ontonagon County
Michigan

Excellent small cabinet specimen with lots of visible silver covering about one-third of the front face. Also, great location.

8.1 x 4.9 x 1.3cm

TM 45-213

SOLD
     
     
     
     
     
     
     
     
  TM 45-213
     
     
     
     
     
     
     
     
     
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