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Neptunite

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Lustrous sharp black terminated crystals of neptunite measuring to almost 1.0 cm in size on a white natrolite matrix with small crystals of blue benitoite. In great condition.

Product details

SpeciesNeptuniteBenitoiteNatrolite
SizeSmall Cabinet
Dimensions5.2 x 2.5 x 2.0 cm
Added on11/02/2025
LocalityGem Mine, San Benito Co., California, USA

Current owner

Unknown Owner
Acquired
Dec 2025
Price paid
$325.00

Previous owners

DateCollectorAcquisition price
—Weinrich MineralsNot disclosed

Learn more

Neptunite
Mineral guide
Learn about Neptunite
jet-black, high-luster prisms with natrolite and benitoite; California State Gem Mine specimens exemplify striking contrast, rarity, and display.