SOLD
MRZ202
Tunellite
Miniature, 5.0 x 4.3 x 2.5 cm
Boron, California, USA
Ex. Martin Zinn
SOLD
A very nice cluster of well-formed crystals to 3 cm from this classic locality. Few were saved as they came out, and specimens of this quality are hard to obtain today. Note that this rare borate is stable.