Click to enlargeSatellite Image from 625 Million Years Ago??

Would what we know as the image of Earth from space as the blue marble have been, 625 million years ago, been a white marble? I love hearing people speculate about that and this piece wears three materials and one sentence:

"....a white marble a Snowball Earth spinning above a molten core while continents drift and asteroid dust scatters and settles."

Center of seaglass surrounded by Mid-Atlantic Ridge rock slurry surrounded by sediment laden with K-T Band dust surrounded by Namibian rock that proves global glaciation during the time some geologists call, "Snowball Earth".