minfind.com
Hydroboracite
Click photo to view larger version.

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 2026Buy 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
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany
$1500
130mm x 110mm x 100mm
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Harz, Thuringia, Germany
$2400
30mm x 10mm
Hydroboracite
Kohnstein Quarry | Niedersachswerfen | Nordhausen | Thuringia | Germany
$1283 *
80mm x 55mm x 23mm
Probertite
Kohnstein Quarry, Niedersachswerfen, Nordhausen Dist., Thuringia, Germany
$2250
60mm x 30mm x 10mm
Manganite
Ilfeld | Nordhausen | Harz | Thuringia | Germany
$1924 *
67mm x 50mm x 38mm
Manganite ps. Pyrolusite with Baryte
Manganese deposit, Ilfeld, Harztor, Nordhausen Dist., Thuringia, Germany
$1500
70mm x 60mm x 30mm
Millerite
Milwaukee Cement Co. Quarry, Milwaukee County, Wisconsin, USA
$2000
60mm x 60mm x 20mm
Weloganite
Francon Quarry, Montreal, Quebec, Canada
$2000
20mm x 10mm x 10mm
Prehnite Cast After Anhydrite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$2000
120mm x 80mm x 60mm
Brazilianite - Important USA Example
G. E. Smith Mine (Chandler Mills Quarry), Newport, Sullivan Co., New Hampshire, USA
$2000
30mm x 30mm x 20mm
Cerussite
Friedrichssegen Mine at Bad Ems, Rheinland-Pfalz, Germany
$2000
40mm x 20mm x 20mm
Azurite with Malachite (circa 1930)
Sacramento Shaft, Bisbee, Warren Dist., Mule Mtns., Cochise Co., Arizona, USA
$2000
20mm x 20mm x 10mm
Hemimorphite on Limonite
Potosí Mine, West Camp, Santa Eulalia Mining Dist., Aquiles Serdán Mun., Chihuahua, Mexico
$2000
80mm x 40mm x 30mm
Adamite with Calcite
Potosí Mine, West Camp, Santa Eulalia Mining Dist., Aquiles Serdán Mun., Chihuahua, Mexico
$2000
110mm x 40mm x 30mm
* price is an approximate conversion and may not be accurate.

Please note that all information shown on this site may be subject to change. Information and photos are taken automatically from dealer websites and because of this errors may creep in from time to time. If there is a difference shown in price, details or availability between this site and the dealer website, you should always assume the dealer website is correct. Some of these minerals may no longer be available as our indexing of dealer websites is not real-time.

If you want to have your mineral website listed on minfind.com, click here to find out how.

Website copyright © J.Ralph and minfind.com 2009-2026. All photographs and mineral descriptions remain copyright of the mineral dealers. All Rights Reserved.