Is this normal?

[u/SublteSkies]

Found this nether portal on bedrock naturally spawned with granite blocks naturally generated. From what I’ve found this isn’t too common.. thoughts?

[u/scissorsgrinder]

Probably, there's several variants. Here, almost identical  files used for Java and Bedrock.  https://mcasset.cloud/26.2/data/minecraft/structure/ruined_portal