The Stone Trader: A Short Story

With humankind scattered among the stars in poverty-stricken colonies, only two things connect the last remnants of the race: a makeshift government, too busy arguing over a chain of command to be of use to its citizens, and traders, distributing necessities as they flew between colonies. The Stone Trader trades in many things, but rocks are his specialty. He thinks himself an expert on the subject until two strange women claim to have found a rock like no other.
Is it a hoax or could it be the most extraordinary discovery humankind has ever made?An origin short story set in the Stone Keeper universe. This story is also available in Baverstock's Allsorts Volume 1.