Hydroboracite - image 1
Photo by Jeffrey A. Scovil

Hydroboracite

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Hydroboracite, 2.8 cm, from the Kohnstein quarry, near Niedersachswerfen, Harz, Thuringia, Germany. Illustrated in Mineral Collections in Arizona-I (2013). Ex Cal Graeber; Jeff Scovil photo.

Product details

SpeciesHydroboracite
SizeMiniature
Dimensions2.8 cm
Added on02/13/2026
LocalityGermany, Thuringia, Kohnstein Quarry
Publications
  • Mineralogical Record Refined Elegance page 117
Current owner
Alexander Schauss

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Cal GraeberNot disclosed

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Hydroboracite
Mineral guide
Learn about Hydroboracite
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Hydroboracite
Regional guide
Hydroboracite from Kohnstein Quarry
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Locality guide
Kohnstein Quarry
Kohnstein Quarry, Germany — a distinctive European collector locality for evaporites, famed for hydroboracite on anhydrite and a diverse borate suite.