Sometimes Jaspers - especially from California - were broken into smaller fragments due to the tectonic movements.
Later the gaps were filled in with chalcedony, quartz of greater purity, or even agate.
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![](images/California/CayucosBeach2.jpg)
Cayucos Beach Jasper, San Luis Obispo County |
![](images/California/CayucosBeach1.jpg)
Cayucos Beach Jasper, San Luis Obispo County |
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![](images/California/StoneCanyon.jpg)
Stone Canyon Jasper, Monterey County |
![](images/California/SanSimeonCreek.jpg)
San Simeon Creek Jasper, San Luis Obispo County |
![](images/California/Trinidad.jpg)
Jasper, Trinidad, Humboldt County
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![](images/California/SanSimeonCreek2.jpg)
San Simeon Creek Jasper, San Luis Obispo County |
![](images/California/ClearCreek.jpg)
Clear Creek Jasper, San Benito County |
![](images/California/StonyCreek2.jpg)
Stony Creek Jasper, Glenn County
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![](images/California/StonyCreek.jpg)
Stony Creek Jasper, Glenn County |
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