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Hydroboracite


Hydroboracite is a calcium magnesium borate. Hess (1834) named the mineral for its wtaer and boron contents.

Hydroboracite here forms a compact aggregate of radiating crystals. The individual crystals reach 1.8 cm in this example. In pockets, inclined terminations are present. This is an interesting reference sample from Turkey. Turkey is the world's largest producer of borates, but certainly not the leading source of borate mineral specimens. A label from the Ralph Dietz (1912-1993) collection accompanies this specimen.

Price: $75

Item code: MS1801

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