Case 9

Datolite

Keweenaw Point, Keweenaw County, Michigan Beautiful deep butter yellow pair from the well known locality off Keweenaw Point. 2.2 x 1.5 x .7cm SOLD TM21-1313

Copper Crystals

Central Mine, Keweenaw County, Michigan Choice thumbnail of stacked, branching dodecs on a common branch. 1.8 x 1.7 x 3.3cm SOLD TM19-981

Datolite

Drexel Mine, Keweenaw County, Michigan Good size and with an unusaul cloud-like effect in this datolite. Don Kelman acquired it from the Seaman Museum in August 1998. 5.6 x 4.3 x 2.1cm $75 TM21-1314

Calcite Crystals

Quincy #2 Mine, Houghton County, Michigan Several good-size, clear calcite crystals with minor copper at the bottom. Label notes, (Very Good Twin Crystals). Ex. Donald Kelman Collection. 6.3 x 3.8 x 5.8cm SOLD TM75-649

Copper Crystals

Quincy Mine, Houghton County, Michigan A superb group of copper crystals sitting on matrix, that displays perfectly without any stand. Largest crystal at the top is twinned. Ex. Ben Vone collection via Mike Martin Collection. Really a top shelf specimen. 3.4 x 4.0 x 2.6cm SOLD TM19-982

Datolite

Arcadian Mine, Houghton County, Michigan Great color in this datolite from a locality that is now gone; crushed for road gravel. 2.2 x 2.0 x .7cm SOLD TM21-1315