Inventory Search
Snowflake Obsidian - Lot of 10.5 pounds of small pieces. Gem quality - cut or tumble. Solid pieces - no fissures, no cracks. Utah 10 pounds
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:35pm CDT (End)
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Snowflake Obsidian - Lot of 10.5 pounds of small pieces. Gem quality - cut or tumble. Solid pieces - no fissures, no cracks. Utah 10 pounds
Rare Biwabik Iron Stromatolite Slab - Large thin translucent slab 6" x 8". Ancient colonial bacteria, 2.2 billion years old. From the type locality of the Biwabik Iron Formation in Biwabik, Minnesota.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:36pm CDT (End)
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Rare Biwabik Iron Stromatolite Slab - Large thin translucent slab 6" x 8". Ancient colonial bacteria, 2.2 billion years old. From the type locality of the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Rare Biwabik Iron Stromatolite Slab - Large thin translucent slab 6" x 9" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:36pm CDT (End)
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Rare Biwabik Iron Stromatolite Slab - Large thin translucent slab 6" x 9" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Biwabik Iron Stromatolite Slab - Slab 5" x 9"x 1/4" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:36pm CDT (End)
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Biwabik Iron Stromatolite Slab - Slab 5" x 9"x 1/4" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Rare Biwabik Iron Stromatolite Slab - Polished slab 4" x 9"x 1/4" Unusal yellow and white colonies. Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:37pm CDT (End)
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Rare Biwabik Iron Stromatolite Slab - Polished slab 4" x 9"x 1/4" Unusal yellow and white colonies. Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Biwabik Iron Stromatolite Slab - Polished slab 4" x 8"x 1/4" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:37pm CDT (End)
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Biwabik Iron Stromatolite Slab - Polished slab 4" x 8"x 1/4" Classic red colonies. Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Amethyst - Collected by Pacific GeoLab in 2022. Thunder Bay, Canada 1.1 billion years. Nice display piece with flat bottom. 4 pounds
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:37pm CDT (End)
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Amethyst - Collected by Pacific GeoLab in 2022. Thunder Bay, Canada 1.1 billion years. Nice display piece with flat bottom. 4 pounds
Smoky Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:38pm CDT (End)
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Smoky Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada. This rare occurance shows clear examples of the North-American Mid-continental Rift whereby the black matrix - Rove Formation - was torn apart during the late Precambrian, about 1.1 billion years ago. 2.5 pounds
Smoky Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:38pm CDT (End)
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Smoky Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada. This specimen is cut but not polished. It shows clear phase change from amethyst to smokey quartz. This rare occurance shows clear examples of the North-American Mid-continental Rift whereby the black matrix - Rove Formation - was torn apart during the late Precambrian, about 1.1 billion years ago. 1.1 pounds
Smokey Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:38pm CDT (End)
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Smokey Quartz - From the Pacific GeoLab "Cerdito Prospect" site in Ontario, Canada. This rare occurance shows clear examples of the North-American Mid-continental Rift whereby the black matrix - Rove Formation - was torn apart during the late Precambrian, about 1.1 billion years ago. 1.2 pounds
Biwabik Iron Stromatolite - Large slab 6" x 7"x 1/4" Unusual layered red colonies. Excavated by Potomac Museum Group in the early 1990s.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:39pm CDT (End)
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Biwabik Iron Stromatolite - Large slab 6" x 7"x 1/4" Unusual layered red colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Biwabik Iron Stromatolite - Large slab 5" x 8"x 1/4" Classic red colonies. Excavated by Potomac Museum Group in the early 1990s.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:39pm CDT (End)
- Add to Calendar
Biwabik Iron Stromatolite - Large slab 5" x 8"x 1/4" Classic red colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Rare Biwabik Iron Stromatolite - Large slab 4" x 5" x 1/4" Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:39pm CDT (End)
- Add to Calendar
Rare Biwabik Iron Stromatolite - Large slab 4" x 5" x 1/4" Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Rare Biwabik Iron Stromatolite - Large slab 4" x 4"x 1/4" Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:40pm CDT (End)
- Add to Calendar
Rare Biwabik Iron Stromatolite - Large slab 4" x 4"x 1/4" Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Rare Biwabik Iron Stromatolite - Large slab 4" x 4"x 1/4" Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:40pm CDT (End)
- Add to Calendar
Rare Biwabik Iron Stromatolite - Large slab 4" x 4"x 1/4" Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Rare Biwabik Iron Stromatolite - Large slab 5" x 5"x 1/4" Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:40pm CDT (End)
- Add to Calendar
Rare Biwabik Iron Stromatolite - Large slab 5" x 5"x 1/4" Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 1 pound
Rare Biwabik Iron Stromatolite - Large slab 3" x 6"x 1/4" Ancient colonial bacteria, 2.2 billion years old.
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:41pm CDT (End)
- Add to Calendar
Rare Biwabik Iron Stromatolite - Large slab 3" x 6"x 1/4" Ancient colonial bacteria, 2.2 billion years old. From the type locality if the Biwabik Iron Formation in Biwabik, Minnesota. Rare green colonies. Excavated by Potomac Museum Group in the early 1990s. Mirror polished by the master himself - the late Bob Weikert of Foreston, Minnesota. 2 pounds
Zebra Dolomite - Strange occurance of black and white stromatolite from western Utah. Cambrian, 550 million years. Several medium size pieces. 25 pounds
- Apr 25 @ 7:00am CDT (Start)
- May 6 @ 1:41pm CDT (End)
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Zebra Dolomite - Strange occurance of black and white stromatolite from western Utah. Cambrian, 550 million years. Several medium size pieces. 25 pounds, This Zebra Dolomite takes an excellent polish (see example)
