Case 10

Silver Crystals

White Pine Mine Ontonagon County Michigan Just a super miniature silver, with a single elongated silver crystal emerging from a base of calcite & silver crystals. It also exhibits Type 1 crystallization and at its' termination opens into 4 distinct crystals. 3.4 x 1.0 x .6cm TM45-218 SOLD

Datolite

Caledonia Mine Ontonagon County Michigan Beautiful old time, medium-size datolite from the era when Calumet & Hecla was doing exploration work in the Caledonia, circa 1950s. 6.0 x 4.5 x 2.5cm TM21-1101 SOLD

Copper Crystals

Phoenix Mine Keweenaw County Michigan A large single crystal highlights this copper, with numerous smaller crystals. Gorgeous patina on this fine miniature size copper. 4.7 x 3.6 x 1.1cm TM19-858 SOLD

Calcite/Copper/Analcime

Northwestern Mine Keweenaw Co. Michigan This is quite the combo piece that I collected back in the mid 1980s. The vug is filled with calcites, analcimes, adularia and a chain of copper crystals that run through the entire piece. 5.6 x 3.2 x 5.5cm TM75-534 $85.00

Datolite

Flintsteel Mine Ontonagon County Michigan A beautiful pair that I found on the same Sept. collecting trip with Bob Barron last fall. 3.2 x 2.7 x 1.0cm TM21-1102 SOLD

Copper Crystals

Baltic Mine Houghton County Michigan Stunning crystallization on this copper. Cubes are the predominant crystal form, with (2)two large cubes located at the base of this piece, and stacks of cubes running across the "top" section of the specimen. 5.8 x 3.7 x 1.0cm SOLD $215.00

Datolite

Quincy Mine Houghton County Michigan Gorgeous example of translucent yellow datolite in basalt. 4.5 x 2.5 x 1.2cm TM21-1103 SOLD