Neptunite specimens
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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 and Neptunite
Gem Mine, San Benito Co., California, USA
$24000
60mm x 50mm x 30mm
From: The Arkenstone
Neptunite with Benitoite
Gem Mine, San Benito Co., California, USA
$4000
115mm x 70mm x 40mm
From: Marin Minerals
Neptunite on Natrolite
California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$6000
40mm x 40mm x 30mm
From: The Arkenstone
Neptunite on Natrolite
Dallas Gem Mine area, New Idria District, Diablo Range, San Benito Co., California, USA
$20
107mm x 70mm x 33mm
From: Bob Griffis 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 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
Benitoite, Joaquinite, and Neptunite,
Dallas Gem Mine, Santa Rita Peak, New Idria Mining District, San Benito Co., California, USA
$350
From: Arkfeld Minerals
Neptunite
California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$950
30mm x 20mm x 10mm
From: The Arkenstone
Benitoite with Neptunite
Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$35000
50mm x 30mm x 30mm
From: The Arkenstone
Neptunite (huge crystal!)
Benitoite Gem Mine, Sawmill Creek Road, San Benito County, California, USA
$15000
60mm x 10mm x 10mm
From: The Arkenstone
Neptunite on Natrolite
California State Gem Mine, Santa Rita Peak, San Benito Co., California, USA
$7500
90mm x 70mm x 40mm
From: The Arkenstone
Neptunite with Joaquinite
Gem Mine, San Benito Co., California, USA
$1600
65mm x 50mm x 20mm
From: Marin Minerals
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