I found mine at HFT for $17. It was called a digging bar there, when they carried them. Some had tampers on one end, others chisels. I got the chisel, like your San Angelo.
Yes, knowing the name truly helps. Googling usually ends up giving me the name, though, since many people use alternate names for the item they're discussing.
I wish Goggle had a search param for concepts. Some day, an AI will be able to do that for us. I just hope they don't call it SkyNet...