What the heck is this?!
(Rochester, NY, USA)
Please help me figure out what these are! I've tried and failed so far. These are off-white pieces that seem like glass (?), they are about a centimeter or so and have "L" shapes indented in them. I have now found FOUR of these, identically shaped with the same mark. The one side is smooth and slightly curved, the other is rough, like it broke off of something. I've thought it could be a rock or shell part, but they are so identical I doubt it. Some have the "L" shape in the opposite direction (as pictured). Could it be a part of something electrical (like an insulator). I am out of ideas. They kind of look like oversized front teeth, slightly translucent with variations. Please help!