Case 10

Calcite Crystals

White Pine Mine, Ontonagon County, Michigan Gemmy thumbnail of clear calcites with balls of hematite on the crystal faces. Center calcite is a terminated "Nailhead" calcite. 3.3 x 2.5 x 2.3cm $45 TM75-637

Datolite

Delaware Mine, Keweenaw county, Michigan Excellent, good size datolite with good color, no fractures and a complete back. Dr. Kelman obtained this specimen from Wayne Sukow. 8.0 x 5.7 x 3.0cm $275 TM21-1292

Copper Crystals

Ridge Mine, Ontonagon County, Michigan Choice small cabinet specimen with branches of copper crystals partially etched from calcite. Many of the crystals are cubic in structure. 6.0 x 4.2 x 2.0cm SOLD TM19-973

Silver Crystals

White Pine Mine, Ontonagon County, Michigan Spears of silver crystals emerging from calcite make up a stunning thumbnail. 3.2 x 2.6 x 1.4cm SOLD TM45-248

Datolite

Arcadian Mine, Houghton County, Michigan Pleasing blue and gray make up this nice pair. Haven't had one from this locality in quite awhile. 3.0 x 2.2 x .7cm $40/pr TM21-1293

Prehnite/Epidote/Feldspar

Ojibway Mine, Keweenaw County, Michigan Great combo specimen with balls of glassy prehnite, lustrous deep green epidote crystals, all on red feldspar crystals. 5.0 x 5.7 x 4.5cm $45 TM75-638

Datolite

Quincy #2 Mine, Houghton County, Michigan Nice yellow datolite that Dr. Kelman obtained from John Perona in August 2000. Great price for a yellow that won't break the bank. 3.2 x 2.3 x 2.0cm SOLD TM21-1294