Case 7

Datolite

Centennial Mine, Houghton County, Michigan Great color with a full cauliflower back. 4.0 x 3.4 x 2.6cm SOLD TM21-1224

Copper Crystals

Summit Mine,Keweenaw County, Michigan Excellent miniature of copper crystals from this small location East of Central Mine. Collected in 2006. 6.0 x 2.5 x 1.4cm SOLD TM19-931

Syenite/Sodalite

Calumet Waterworks, Houghton County, Michigan Commonly referred to as "Yooperlites," these syenite rocks are filled with fluorescent orange and yellow Sodalite. 6.8 x 4.7cm 9 x 7.5cm 9.7 x 7.8cm 3/$25 TM75-600

Datolite

Flintsteel Mine, Ontonagon County, Michigan Maybe the deepest color datolite we have offered from this location. Ex. Wayne Sukow collection. 5.5 x 4.3 x 2.0cm $350 TM21-1225

Silver Crystals

Caledonia Mine, Ontonagon County, Michigan ice Sharp silver crystals that have been exposed by etching away the calcite. Probably more could be exposed with further etching. 2,7 x 3.5 x 3.5cm $80 TM45-239

Calcite Crystal

White Pine Mine, Ontonagon County, Michigan Excellent large calcite crystal from White Pine with hematite. Fluoresces orange under UV light. Ex Lance Hamphful collection. 6.4 x 3.6 x 2.8 cm $40 TM75-601

Datolite

Ojibway Mine, Keweenaw County, Michigan Good size, and very different pair of datolite from the Ojibway. Slightly blue, with all kinds of inclusions going on. 6.2 x 5.4 x 2.3cm SOLD TM21-1226

Copper Crystals

White Pine Mine, Ontonagon County, Michigan Outstanding miniature with chains of copper crystals running back and forth. 6.7 x 3.4 x 2.5cm $115 TM19-932