Hydroboracite (Ref: RARE25-166)
Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen Dist., Thuringia, Germany
20mm x 10mm
$2000
This is a Hydroboracite from Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen Dist., Thuringia, Germany. Here is a glassy and gemmy, thumbnail hydroboracite crystal from the Kohnstein Quarry in Germany; the best locality for the species.Data last checked on 20th Mar 2026
To purchase this mineral you need to click the button above to transfer to the dealer's website. This will open in a new window. Price shown here does not include shipping costs, always confirm price on dealer website before ordering.
Please tell the dealer you found this mineral on minfind.com - help keep minfind.com alive again!
All photos for this item are copyright © The Arkenstone and may not be used for any other purpose without permission.
From: The Arkenstone
Buy now from The Arkenstone
To purchase this mineral you need to click the button above to transfer to the dealer's website. This will open in a new window. Price shown here does not include shipping costs, always confirm price on dealer website before ordering.
Please tell the dealer you found this mineral on minfind.com - help keep minfind.com alive again!
All photos for this item are copyright © The Arkenstone and may not be used for any other purpose without permission.
See Also
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen Dist., Thuringia, Germany
$2750
50mm x 20mm x 10mm
From: The Arkenstone
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany
$1500
130mm x 110mm x 100mm
From: The Arkenstone
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Harz, Thuringia, Germany
$2400
30mm x 10mm
From: The Arkenstone
Hydroboracite
Kohnstein Quarry | Niedersachswerfen | Nordhausen | Thuringia | Germany
$1283 *
80mm x 55mm x 23mm
From: Wendel Minerals
Probertite
Kohnstein Quarry, Niedersachswerfen, Nordhausen Dist., Thuringia, Germany
$2250
60mm x 30mm x 10mm
From: The Arkenstone
Manganite
Ilfeld | Nordhausen | Harz | Thuringia | Germany
$1924 *
67mm x 50mm x 38mm
From: Wendel Minerals
Manganite ps. Pyrolusite with Baryte
Manganese deposit, Ilfeld, Harztor, Nordhausen Dist., Thuringia, Germany
$1500
70mm x 60mm x 30mm
From: The Arkenstone
Millerite
Milwaukee Cement Co. Quarry, Milwaukee County, Wisconsin, USA
$2000
60mm x 60mm x 20mm
From: The Arkenstone
Prehnite Cast After Anhydrite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$2000
120mm x 80mm x 60mm
From: The Arkenstone
Brazilianite - Important USA Example
G. E. Smith Mine (Chandler Mills Quarry), Newport, Sullivan Co., New Hampshire, USA
$2000
30mm x 30mm x 20mm
From: The Arkenstone
Cerussite
Friedrichssegen Mine at Bad Ems, Rheinland-Pfalz, Germany
$2000
40mm x 20mm x 20mm
From: The Arkenstone
Azurite with Malachite (circa 1930)
Sacramento Shaft, Bisbee, Warren Dist., Mule Mtns., Cochise Co., Arizona, USA
$2000
20mm x 20mm x 10mm
From: The Arkenstone
Hemimorphite on Limonite
Potosí Mine, West Camp, Santa Eulalia Mining Dist., Aquiles Serdán Mun., Chihuahua, Mexico
$2000
80mm x 40mm x 30mm
From: The Arkenstone
Adamite with Calcite
Potosí Mine, West Camp, Santa Eulalia Mining Dist., Aquiles Serdán Mun., Chihuahua, Mexico
$2000
110mm x 40mm x 30mm
From: The Arkenstone
