From Wikipedia. Note that the back side may show a "bulb of percussion". The front side has a few flakes removed.
Now consider this from Woods Hole. I think it was in the sand and clay below my yard and I found it in a pile of excavated dirt for the new foundation:
It has a bulb of percussion and signs or "erraill.Additional back-side flakes.
Side vide of bulb
Darn nice piece of quartz, unlike anything else in the yard.
No comments:
Post a Comment