- Boulby Mine, Loftus, North Yorkshire, England, UK
- Miniature, 4.0 x 2.4 x 2.0 cm
- Ex. Charlie Key
GEMMY, sharp green-blue boracite crystals from this important find of the early 1990s a beautiful specimen for the size, with top quality crystals to 2.5 mm. Ex. Charlie Key Collection.