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4ZA3
Boracite
Boulby Potash Mine, Yorkshire, England
Thumbnail, 3.1 x 1.7 x 1.4 cm
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Sharp, pretty crystals of this rare species, from a modern find at this old mine

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Boracite

Boracite

Boulby Potash Mine, Loftus, North Yorkshire, England
Small Cabinet, 6.7 x 6.4 x 5.8 cm
Boracite

Boracite

Grona Mine, Bernburg, Stassfurt Potash Deposit, Saxony-Anhalt, Germany
Thumbnail, 1.5 x 1.3 x 1.3 cm
Hilgardite on Boracite

Hilgardite on Boracite

Boulby Potash Mine, Loftus, North Yorkshire, England
Miniature, 5.5 x 3.5 x 2.8 cm