Magnesite, Boracite & Hilgardite

Magnesite, Boracite & Hilgardite - 980

Boulby Mine, Loftus, North Yorkshire, England


Cluster of clear lath like magnesite crystals perched in a cavity within a crystalline mass of boracite and a litle orange hilgardite.  Unusual to get all three borate minerals on one specimen.

Formula: Magnesite MgCO3 ; Boracite Mg3B7O13Cl ; Hilgardite Ca2B5O9Cl . H2O

Status: Sold

Dimensions: 45x15x35mm

Size: Miniature (M)



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