Particle parts should be arraged 8x8, but in the bedrock edition the conduit particles are misplaced.
Previously the same particle was used in Java Edition snapshot 18w15a, which is correctly arraged. I think it should be in the same position as this textures.
Thank you for your report!
However, this issue has been closed as Incomplete.
Your report does not contain enough information. As such, we're unable to understand or reproduce the problem.
If your ticket does not look like the example given here, then it's likely to be closed as incomplete.
Also, we'd recommend making use of the search feature before writing a new bug report, as it's very likely that the issue has been mentioned already, and you can add a vote and any new information to the main ticket.
Furthermore, if you would like to report a parity issue for things implemented before 1.15, please visit the feedback site. (Parity Request Guide)
Quick Links:
📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki