141
04/06/2003
Oceanside, CA
Not Available
Steve Tewksbury
The dominant mineral in this sample is unkown. If you know what it is, please contact me so that I can update this sample description.
Beach
Black
Fine Grained
Well Sorted
Angular
Unknown
Polished
Photos
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/141-Oceanside-Beach-Oceanside-CA.jpg)