Case 7

Copper in Calcite

Copper Falls mine Keweenaw County Michigan. Gorgeous miniature with dozens of calcite crystals filled with bright native copper sitting amongst leaves of copper. 3.5 x 3.0 x 2.7cm TM75-535 SOLD

Datolite

Flintsteel mine Ontonagon County Michigan Another very different & beautiful datolite that Bob Barron and I found on our trip to this small mine last fall. 6.2 x 5.0 x 2.3cm TM21-1104 SOLD

Copper Crystals

Phoenix mine Keweenaw County Michigan Excellent miniature of tenorite-coated copper xls that has a nice dusting of apophyllite crystals. 4.6 x 2.0 x 1.3cm TM19-861 $75.00

Silver/Copper

Copper Falls mine Keweenaw County Michigan Very fine small miniature recently collected in the Copper Falls mine. Besides the obvious silver crystal, the largest piece of silver has crystal faces growing in it. 3.6 x 2.5 x 2.0cm TM45-219 $65.00

Datolite

Delaware mine Keweenaw County Michigan Beautiful color!  At one time datolites like this were plentiful, but I haven't seen any for sale in 2 years. This is from stock we had put aside years ago. 4.7 x 3.7 x 1.1cm TM21-1105 $60.00

Quartz Crystals

Calumet & Hecla mine Houghton County Michigan Great display specimen from one of the C&H mines. Hundreds of quartz xls completely cover the display side. Epidote xls are also present. 10.2 x 7.1 x 3.3cm TM75-536 $80.00

Copper Crystals

"B Shaft" Old Copper Falls mine Keweenaw Co. Michigan Excellent miniature with great crystallization from this small mine on the banks of Owls Creek. 3.6 x 2.3 x 1.2cm TM19-862 SOLD

Datolite

Central Exploration mine Keweenaw County Michigan Good size datolite with nice color that is unusual for this location. Nice cream color with grey border and red veining. 9.7 x 6.2 x 3.8cm TM21-1106 SOLD