Showcase  9
May 2, 2018

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  Copper crystals

Medora mine
Keweenaw County
Michigan

An outstanding thumbnail of complex inter-grown copper crystals sitting on a small piece of matrix. From Sandi's thumbnail collection.
 3.2 x 2.2 x 2.0cm

TM 19-825


SOLD
  
     
     
     
     
     
     
     
     
     
     
  TM 19-825
     
     
     
     
     
     
     
     
     
     
     
     
  TM 19-825
     
     
     
     
     
     
     
     
     
     
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  Datolite

Michigan mine
Ontonagon County
Michigan

An excellent good-size specimen of translucent datolite with attractive veining and inclusions from a locality not often seen.
6.6 x 6.0 x 2.1cm

TM 21-1067


SOLD
     
     
     
     
     
~   ~
     
     
     
     
     
     
     
  Silver

Cliff mine
Keweenaw County
Michigan

Nice chunk of silver that was chiseled away from copper. The base shows chisel marks made by a miner circa 1850. Lots of silver showing front and back.
4.5 x 3.3 x 2.4cm

TM 45-214


SOLD
     
     
     
     
     
     
     
     
  TM 45-214
     
     
     
     
     
     
     
     
     
~    ~
     
     
     
     
     
     
  Copper crystals

Lake Superior Copper District
Michigan

Beautiful crystallization on this fine miniature via Paul LaBonte.
5.5 x 3.0 x 2.8cm

TM 19-826


SOLD
     
     
     
     
     
     
  TM 19-826
     
     
     
     
     
     
     
     
     
~    ~
     
     
     
     
     
     
     
     
     
  Datolite necklace

Keweenaw Point
Keweenaw County
Michigan


A beautiful Keweenaw Point yellow datolite set in a sterling silver bezel with a solid sterling full back. Comes with 18" sterling chain in a black velvet-lined box.
face:  3.0 x 4.0cm

TM 21-1072


SOLD
     
     
     
     
     
     
     
     
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  Analcime

Isle Royale mine
Houghton County
Michigan

Very fine cabinet specimen with several dozen opaque analcime crystals running through an elongated vug. Comes with three old labels.
10.5 x 7.0 x 4.5cm

TM 75-518


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-518
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-518
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  TM 75-518
     
     
     
     
     
     
     
     
     
     
     
     
     
~   ~
     
     
     
     
     
     
     
     
     
  Datolite suite

Upper Michigan

An excellent group of datolites representing the Empire, Delaware, Quincy, Caledonia, and Flintsteel mines, plus, the Mandan gravel pit.
Sizes range from 4.0 x 3.6cm to 3.6 x 2.3cm.
Great value at $17.50 per datolite.


TM 21-1068


SOLD
     
     
     
     
     
     
     
     
     
     
     
     
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