Case 12

Copper Crystals

Lake Superior Copper District, Mich. Beautifully crystallized Copper on all sides. Large thumbnail. 3.2 x 2.6 x 1.8 cm SOLD TM 19-926

Datolite

Delaware Mine, Keweenaw Co., Mich. Classic Delaware "pink"; good size nodule in perfect condition front and back. 7.2 x 4.7 x 2.8 cm $135 TM 21-1214

Silver/Copper

Minesota Mine, Ontonagon Co., Mich. Silver crystals sitting on a branch of Copper crystals emerging from Calcite. 6.7 x 6.0 x 5.0 cm SOLD TM 45-236

Datolite

Lake Superior, Keweenaw Co., Mich. Very unusual Datolite from the deposit on Isle Royale in perfect condition. 5.0 x 4.2 x 2.0 cm SOLD TM 21-1215

Copper Crystals

Northwestern Mine, Keweenaw Co., Mich. Excellent miniature sharply crystallized, appears to be a "floater". 3.4 x 3.5 x 2.3 cm SOLD TM 19-927

Copper Casts

Michigan Mine, Ontonagon Co., Mich. Great display copper coming out of Calcite. 6.0 x 6.0 x 13.0 cm SOLD TM 75-597

Datolite

Mesnard Mine, Houghton Co., Mich. As good of a yellow that you will find in the market place. No fractures, deep butter yellow, with dark veining. 3.8 x 3.0 x 1.6 cm SOLD TM 21-1216