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Neptunite on Natrolite
Neptunite on Natrolite Neptunite on Natrolite Neptunite on Natrolite Neptunite on Natrolite Neptunite on Natrolite
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Neptunite on Natrolite (Ref: USA25-27)

California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
50mm x 40mm x 20mm
$2750
This is a Neptunite on Natrolite from California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA. Neptunite is a rare titanium-bearing silicate mineral that only forms as significant and superb crystals at the California State Gem Mine and only as insignificant crystals in a few other world localities.
Data last checked on 28th Jan 2026 - specimen may no longer be available

From: The Arkenstone
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See Also

Neptunite on Natrolite
California State Gem Mine, San Benito Co., California, USA
$3000
70mm x 60mm x 50mm
From: The Arkenstone
Neptunite on Natrolite
California Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$1450
70mm x 30mm x 30mm
From: The Arkenstone
Benitoite, Neptunite
Gem Mine, San Benito Co., California, USA
$3500
135mm x 90mm x 30mm
From: Marin Minerals
Neptunite with Joaquinite
Gem Mine, San Benito Co., California, USA
$1600
65mm x 50mm x 20mm
From: Marin Minerals
Neptunite
Gem Mine, San Benito Co., California, USA
$1500
20mm x 20mm x 10mm
From: The Arkenstone
BENITOITE, NEPTUNITE
California State Gem Mine, Santa Rita Peak, San Benito County, California, United States
$1180
54mm x 45mm x 24mm
From: Quebul Fine Minerals
Neptunite
California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$950
30mm x 20mm x 10mm
From: The Arkenstone
Benitoite
Gem Mine, San Benito Co., California, USA
$2500
110mm x 60mm x 25mm
From: Marin Minerals
Neptunite on Natrolite
Dallas Gem Mine area, New Idria District, Diablo Range, San Benito Co., California, USA
$420
124mm x 105mm x 43mm
From: Bob Griffis Minerals
Benitoite (0.75 ct)
California Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$3450
From: The Arkenstone
Morganite
Elizabeth R. Mine, Pala Mining Dist., San Diego Co., California, USA
$2750
50mm x 50mm x 20mm
From: The Arkenstone
Indicolite Tourmaline (6.69 cts)
Esmeralda Mine, Mesa Grande, San Diego Co., California, USA 
$2800
10mm
From: The Arkenstone
Benitoite (floater)
California Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$2000
20mm x 20mm x 10mm
From: The Arkenstone
Tunellite with Inderite
U.S. Borax Open Pit Mine, Boron, Kern Co., California, USA
$2750
70mm x 60mm x 50mm
From: The Arkenstone
Gold
Eagle's Nest Mine, Sage Hill, Placer Co., California, USA
$2850
20mm x 20mm x 10mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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