Tunellite (Ref: UTR23-09)
Extension 5, U.S. Borax Mine, Boron, Kern Co., California, USA
60mm x 50mm x 20mm
$1200
This is a Tunellite from Extension 5, U.S. Borax Mine, Boron, Kern Co., California, USA. Tunellite is a rare strontium borate hydrate found as a secondary mineral in borate deposits and this is a large and extremely significant piece for the species!Data last checked on 18th Jul 2025 - specimen may no longer be available
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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
Tunellite (type locality)
Extension 5, U.S. Borax Mine, Boron, Kern Co., California, USA
$2400
70mm x 60mm x 40mm
From: The Arkenstone
Tincalconite ps after Borax
U.S. Borax Mine, Boron, Kern Co., California, USA
$1250
80mm x 70mm x 30mm
From: The Arkenstone
Tunellite
Kramer open pit, Kramer District, Boron, Kern County, California, USA
$220
47mm x 42mm x 24mm
From: Bob Griffis Minerals
Tunellite
Kramer open pit, Kramer District, Boron, Kern County, California, USA
$150
56mm x 49mm x 33mm
From: Bob Griffis Minerals
Tunellite with Inderite
U.S. Borax Open Pit Mine, Boron, Kern Co., California, USA
$2750
70mm x 60mm x 50mm
From: The Arkenstone
Woodhouseite
Champion Mine, White Mountains, Mono Co., California, USA
$1200
62mm x 45mm x 30mm
From: Marin Minerals
Magnetite
Iron Hat Mine, Amboy, San Bernardino Co., California, USA
$1250
80mm x 50mm x 30mm
From: The Arkenstone
Cassiterite
Cryo-Genie Mine, Warner Springs, San Diego Co., California, USA
$1250
20mm x 20mm x 20mm
From: The Arkenstone
Fresnoite on Analcime
Junnila mine, New Idria District, San Benito Co., California, USA
$1050
40mm x 30mm x 20mm
From: The Arkenstone
Quartz var Smoky with Microcline and Albite
Himalaya Mine, Gem Hill, San Diego County, California, USA
$1200
80mm x 80mm x 30mm
From: The Arkenstone
Magnetite
ZCA Mine No. 4, Balmat, St Lawrence Co., New York, USA
$1200
50mm x 40mm x 30mm
From: The Arkenstone
Cerussite (classic USA locale)
Grand Reef Mine, Klondyke, Laurel Canyon, Graham Co., Arizona, USA
$1200
40mm x 30mm x 20mm
From: The Arkenstone
Rhodochrosite, Quartz, Chalcopyrite & Tetrahedrite
Sweet Home Mine, Park Co., Colorado, USA
$1200
49mm x 35mm x 27mm
Microlite
Rutherford Mines, Amelia, Amelia Co., Virginia, USA
$1200
10mm x 10mm x 10mm
From: The Arkenstone
Wulfenite with Mimetite
Rowley Mine, Maricopa Co., Arizona, USA
$1200
85mm x 50mm x 35mm
From: Marin Minerals