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Lake Superior Agate

A variety of 'Agate' [Quartz]
This page kindly sponsored by Paul Brandes
09554190017271954228161.jpg
Lake Superior Agate

Agate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA
02181550017271954234965.jpg
Lake Superior Agate

Lake Superior, North America
03042650017271954235997.jpg
Lake Superior Agate, etc.

Esrey Park, Eagle Harbor Township, Keweenaw County, Michigan, USA
09554190017271954228161.jpg
Lake Superior Agate

Agate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA
02181550017271954234965.jpg
Lake Superior Agate

Lake Superior, North America
03042650017271954235997.jpg
Lake Superior Agate, etc.

Esrey Park, Eagle Harbor Township, Keweenaw County, Michigan, USA
05309980017271954237163.jpg
Lake Superior Agate

Agate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA
02181550017271954234965.jpg
Lake Superior Agate

Lake Superior, North America
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About Lake Superior AgateHide

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 IdentifiersHide

Mindat ID:
9253 (as Lake Superior Agate)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:9253:7 (as Lake Superior Agate)
mindat:1:1:3337:0 (as Quartz)

Chemistry of Lake Superior AgateHide

Mindat Formula:
SiO2
Element Weights:
Element% weight
O53.257 %
Si46.744 %

Calculated from ideal end-member formula.
Elements listed:
O, Si - search for minerals with similar chemistry

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Lake Superior Agate associated with QuartzSiO2
1 photo of Lake Superior Agate associated with 'Basalt'
1 photo of Lake Superior Agate associated with 'Eye Agate'SiO2
1 photo of Lake Superior Agate associated with 'Chalcedony'SiO2
1 photo of Lake Superior Agate associated with 'Amethyst'SiO2

Other InformationHide

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 AgateHide

References for Lake Superior AgateHide

Quick NavTopAbout Lake Superior AgateUnique IdentifiersChemistry Common AssociatesOther InformationInternet Links References
 
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