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Case 10

Datolite

Mandan Gravel Pit Keweenaw County Michigan Excellent stone with deep color set off by the white border from this unique locality. Ex. Wayne Sukow collection. 4.0 x 3.0 x 1.5cm SOLD TM21-1148

Silver crystals

White Pine mine Ontonagon County Michigan Nice branch of bright silver crystals. 4.0 x 3.0 x 1.5cm SOLD TM45-228

Datolite

Isle Royale Keweenaw County Michigan Fine color in this specimen from the deposit off of Isle Royale. Ex. Wayne Sukow collection. 4.7 x 4.0 x 1.2cm SOLD TM21-1149

Copper crystals

Central mine Keweenaw County Michigan A stalk of dodecs with crystals that formed on all sides of the specimen. 5.2 x 2.1 x 2.1cm SOLD TM19-882

Datolite

Delaware mine Keweenaw County Michigan Large piece of datolite from the Delaware with  excellent color. The chip off the backside is also polished. Ex. Wayne Sukow collection. 8.9 x 5.5 x 3.2cm SOLD TM21-1150

Quartz/Prehnite

Centennial mine Houghton County Michigan Beautiful specimen with balls of prehnite covered with drusy quartz on one side and larger quartz crystals on the opposite side. Copper crystals are also present. 7.0 x 6.1 x 2.5cm SOLD TM75-554

Copper crystals

Ahmeek mine Keweenaw County Michigan Gorgeous branch of well formed copper crystals; crystallized on both sides, with a very eye pleasing chocolate brown toning. Choice copper. 10.0 x 6.3 x 2.0cm SOLD TM19-883

Datolite

Nassau mine Ontonagon County Michigan Good size specimen from this small mine outside of Rockland Michigan. Ex. Wayne Sukow collection. 6.6 x 5.1 x 2.6cm SOLD TM21-1151
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© 2020 Tamarack Mineral Company. All Rights Reserved. Website by North Country Website Design.

Case 10

Datolite

Mandan Gravel Pit Keweenaw County Michigan Excellent stone with deep color set off by the white border from this unique locality. Ex. Wayne Sukow collection. 4.0 x 3.0 x 1.5cm SOLD TM21-1148

Silver crystals

White Pine mine Ontonagon County Michigan Nice branch of bright silver crystals. 4.0 x 3.0 x 1.5cm SOLD TM45-228

Datolite

Isle Royale Keweenaw County Michigan Fine color in this specimen from the deposit off of Isle Royale. Ex. Wayne Sukow collection. 4.7 x 4.0 x 1.2cm SOLD TM21-1149

Copper crystals

Central mine Keweenaw County Michigan A stalk of dodecs with crystals that formed on all sides of the specimen. 5.2 x 2.1 x 2.1cm SOLD TM19-882

Datolite

Delaware mine Keweenaw County Michigan Large piece of datolite from the Delaware with  excellent color. The chip off the backside is also polished. Ex. Wayne Sukow collection. 8.9 x 5.5 x 3.2cm SOLD TM21-1150

Quartz/Prehnite

Centennial mine Houghton County Michigan Beautiful specimen with balls of prehnite covered with drusy quartz on one side and larger quartz crystals on the opposite side. Copper crystals are also present. 7.0 x 6.1 x 2.5cm SOLD TM75-554

Copper crystals

Ahmeek mine Keweenaw County Michigan Gorgeous branch of well formed copper crystals; crystallized on both sides, with a very eye pleasing chocolate brown toning. Choice copper. 10.0 x 6.3 x 2.0cm SOLD TM19-883

Datolite

Nassau mine Ontonagon County Michigan Good size specimen from this small mine outside of Rockland Michigan. Ex. Wayne Sukow collection. 6.6 x 5.1 x 2.6cm SOLD TM21-1151
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