and much of the misinformation is copied between different sites.
Also, the word 'septum' has nothing to do with 'sept' meaning seven.
If you fancy breaking or sawing your specimen open, please show us a photo of its interior. Sometimes they are rather impressive, but since yours is quite small and simple, it probably won't be. They used to use slices of good ones as small table tops because the patterning was so fascinating.