Neptunite with Benitoite - image 1

Neptunite with Benitoite

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An excellent specimen of lustrous black prismatic crystals of Neptunite measuring to 3.7cm finely contrasted on the white Natrolite matrix. Two cornflower millimetre sized Benitoite crystals protrude through the white Natrolite at one end of the specimen. On the typical pale grey-blue matrix from the Benitoite Gem Mine, California.

Origin: Benitoite Gem Mine, New Idria District, Diablo Range, San Benito Co., California, USA

Product details

SizeSmall Cabinet
Dimensions5.0 x 7.2 x 2.0 cm
Added on10/24/2024
Current owner
Unknown Owner
Acquired
Jul 2026
Previous owners
DateCollectorAcquisition price
—Crystal ClassicsNot 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.
Neptunite
Regional guide
Neptunite from New Idria Mining District
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Locality guide
New Idria Mining District
New Idria Mining District, USA — famous for benitoite with natrolite and neptunite/joaquinite, a distinctive serpentinite locality prized by collectors.