"Onionskin Hammertime" Some do have inner cores of color, this one definitely doesn't, guess this one's already been gutted.
Through the Rabbit hole w/ a Maglite, what once was a huge marble
Faceting has multiple "flat spots" like the faceting on a gem stone thus the term "faceted". I agree, faceting can be very hard to see sometimes : light faceting, wear, damage etc...
My "Sunday Best" Alley metalic, has wider ribbons of an iron color and thinner ones of a copper color throughout the marble. This ones a little bigger @ 13/16ths. One shot outside in natural sunlight an the next inside under artificial.
Yes, I'm on the West coast (Pacific) and the East coast is a 3 hour difference (ahead) of Pacific time
There are 6 but these are the main ones in the continental USA