Minnesota Thomsonite (MNT11)
$54.00
Notes specific to this specimen: Cut and polished matrix piece from the old Thomsonite Mine along the North SHore of Lake Superior about five miles southwest of Grand Marais, Minnesota. Many colorful small vesicles filled with gem Thomsonite.
Size: 4″ x 2″ x 1″
Name / Species: Thomsonite
Age: Mesoproterozoic Era, 1.1 billion years
Unit: Terrace Point Basalt
Site: Alley Agate Shop Thomsonite Mine Cook County, Grand Marais, MInnesota
Collected: 1981
Collected by: Jon Kramer
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
Notes specific to this specimen: Cut and polished matrix piece from the old Thomsonite Mine along the North SHore of Lake Superior about five miles southwest of Grand Marais, Minnesota. Many colorful small vesicles filled with gem Thomsonite.
Size: 4″ x 2″ x 1″
Name / Species: Thomsonite
Age: Mesoproterozoic Era, 1.1 billion years
Unit: Terrace Point Basalt
Site: Alley Agate Shop Thomsonite Mine Cook County, Grand Marais, MInnesota
Collected: 1981
Collected by: Jon Kramer
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
Additional information
| Name / Species | Thomsonite |
|---|---|
| Age | Mesoproterozoic Era, 1.1 billion years |
| Unit | Terrace Point Basalt |
| Site | Alley Agate Shop Thomsonite Mine Cook County, Grand Marais, MInnesota |
| Collected | 1981 |
| Collected by | Jon Kramer |
