@spike FYI, it mounted fine in Mini vMac using this version (and an older version I had on my system). I was using the "Macintosh II" flavor of it:
https://tinkerdifferent.com/threads/mini-vmac-booting-scsi-device-images.2979/#post-25713
I've also re-uploaded the .img file just in case it was somehow messed up. 🤞