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Petoskey Stone
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About Petoskey Stone
Name:
Named after an Ottawa Indian Chief, Chief Pet-O-Sega.
A fossilised (calcite) coral from Devonian (350 Ma ago) - Hexagonaria Percarinata. Designated state stone in 1965.
Visit gemdat.org for gemological information about Petoskey Stone.
Visit gemdat.org for gemological information about Petoskey Stone.Unique Identifiers
Mindat ID:
10935
Long-form identifier:
mindat:1:1:10935:2
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 Petoskey Stone
mindat.org URL:
https://www.mindat.org/min-10935.html
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Please feel free to link to this page.
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References for Petoskey Stone
Reference List:
Localities for Petoskey Stone
Showing 9 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Canada | |
| Ransom (1974) |
USA | |
| Ransom (1974) |
| Field observation by Paul Brandes. |
| Ransom (1974) | |
| Paul Brandes |
| Heinrich et al. (2004) |
| Heinrich et al. (2004) | |
| Ransom (1974) | |
| Ransom (1974) |
Unnamed gravel pit, Frederic, Crawford County, Michigan, USA