S19850 - Quartz ps. to Fluorite - $250
Wheal Mary Ann, Menheniot, Cornwall, England
Overall Size: 10 x 7.5 cm
These are classic Cornish pseudomorphs or more precisely epimorphs, with a hollow inside seen from an opening in the side. This crystal shell is 2.2 cm. This old-time piece comes with an early Minerals Unlimited label.