Scallop Shell Fossil with Purple Chrome Alum Crystals (Grown)

Description

This is an authentic Scallop Shell with beautiful Purple Chrome Alum KCr(SO4)2 crystals grown on it by our own in-house Chemist!
There is no dye or coloring agents in the crystals, this is their natural color upon crystallization.
The crystals are sealed in acrylic spray resin and have been stable for over a year.
We do combine domestic shipping! Shipping cost is built into many of our items that have free shipping, so if you order multiple items at once, we will refund the difference! If the item has a shipping cost, we will use that cost to calculate your shipping refund.