102
12/09/2002
Tulum, Mexico
Not available
Loes Modderman
Sand is predominantly calcium carbonate remains of sea life.
Beach
White
Fine Grained
Well Sorted
Well Rounded
Calcite
Polished
Photos
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/102-Tulum-Yucutan-Mexico.jpg)
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/102-Tulum-Mexico.jpg)
Mary Hemmerly Hecker Memorial Sand Collection
The Life and Times of Mary Hemmerly Hecker