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Neptunite
Neptunite Neptunite
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Neptunite (Ref: LP172)

Gem Mine, San Benito Co., California, USA
85mm x 65mm x 30mm
$750
Glossy black Neptunite crystals on a white Natrolite covered matrix. This is an excellent Neptunite with 3 main crystals that are well separated and rise up out of the matrix plus numerous smaller crystals. Ex. Len Pisciotta collection and comes with an old Andy Seibel label.
Data last checked on 14th Jun 2025 - specimen may no longer be available

From: Marin Minerals
Buy now from Marin Minerals

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See Also

Neptunite
Gem Mine, San Benito Co., California, USA
$750
45mm x 35mm x 20mm
From: Marin Minerals
Neptunite
California State Gem Mine, New Idria Mining District, San Benito Co., California, USA
$950
20mm x 10mm x 10mm
From: The Arkenstone
Neptunite
California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$950
30mm x 20mm x 10mm
From: The Arkenstone
Benitoite, Neptunite
Gem Mine, San Benito Co., California, USA
$500
105mm x 60mm x 30mm
From: Marin Minerals
Benitoite, Neptunite, Joaquinite
Gem Mine, San Benito Co., California, USA
$450
75mm x 50mm x 25mm
From: Marin Minerals
Neptunite with Benitoite
Dallas Gem Mine, New Idria District, Diablo Range, San Benito Co., California, USA
$425
62mm x 44mm x 26mm
From: Bob Griffis 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
Neptunite
Gem Mine, San Benito Co., California, USA
$350
37mm x 25mm x 23mm
From: Marin Minerals
Benitoite, Joaquinite, and Neptunite,
Dallas Gem Mine, Santa Rita Peak, New Idria Mining District, San Benito Co., California, USA
$350
From: Arkfeld Minerals
Neptunite (twin!)
Benitoite Gem Mine, San Benito Co., California, USA
$350
22mm x 10mm x 8mm
From: Marin Minerals
Benitoite, Neptunite, Joaquinite
Gem Mine, San Benito Co., California, USA
$350
60mm x 45mm x 20mm
From: Marin Minerals
Neptunite (DT)
Gem Mine, San Benito Co., California, USA
$300
32mm x 28mm x 18mm
From: Marin Minerals
Neptunite
Gem Mine, San Benito Co., California, USA
$280
27mm x 13mm x 13mm
From: Marin Minerals
Neptunite on Natrolite
Dallas Gem Mine area, New Idria District, Diablo Range, San Benito Co., California, USA
$90
84mm x 48mm x 44mm
From: Bob Griffis Minerals
Neptunite on Natrolite
Dallas Gem Mine area, New Idria District, Diablo Range, San Benito Co., California, USA
$65
143mm x 103mm x 70mm
From: Bob Griffis Minerals
* price is an approximate conversion and may not be accurate.

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