Inter grown bubbly form specimen of Boracite and Hilgardite on Magnesite, from the Boulby Mine, Loftus, England. Creamy white inter grown spheres of Magnesite form the matrix upon which a drusey covering of sparkling crystals of Boracite have formed. Orange crystals of Hilgardite are richly developed over much of the specimen. A fine combination specimen from the Boulby Mine.