Lake Superior Agate
This page kindly sponsored by Paul Brandes
About Lake Superior Agate
Formula:
SiO2
Believed to be the world's oldest agates, over 1 billion years old, these are found throughout the northern US having been spread from the original Lake Superior region by glaciation. It has generally pale colouring.
Unique Identifiers
Mindat ID:
9253 (as Lake Superior Agate)
3337 (as Quartz)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:9253:7 (as Lake Superior Agate)
mindat:1:1:3337:0 (as Quartz)
mindat:1:1:3337:0 (as Quartz)
Chemistry of Lake Superior Agate
Mindat Formula:
SiO2
Elements listed:
Common Associates
Associations Based on Photo Data:
| 2 photos of Lake Superior Agate associated with Quartz | SiO2 |
| 1 photo of Lake Superior Agate associated with 'Eye Agate' | SiO2 |
| 1 photo of Lake Superior Agate associated with 'Basalt' | |
| 1 photo of Lake Superior Agate associated with 'Amethyst' | SiO2 |
| 1 photo of Lake Superior Agate associated with 'Chalcedony' | SiO2 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Lake Superior Agate
mindat.org URL:
https://www.mindat.org/min-9253.html
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Please feel free to link to this page.
Search Engines:
Agate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA