Neptunite with Benitoite - image 1

Neptunite with Benitoite

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A fine display of lustrous black prismatic terminated crystals of Neptunite richly adorn the display face of the specimen measuring to 2.3cm, with scattered crystals of cornflower blue Benitoite, with white Natrolite on a light grey glaucophane schist matrix. From the California State Gem Mine (Dallas Gem Mine).

Product details

SpeciesBenitoite, Neptunite
SizeSmall Cabinet
Dimensions8.0 x 8.2 x 2.9 cm
Added on10/24/2024
LocalityUSA, California, California State Gem Mine
Current owner
Unknown Owner
Acquired
Jul 2026
Price paid
$3,500.00
Previous owners
DateCollectorAcquisition price
—Crystal ClassicsNot disclosed

Learn more

Benitoite
Mineral guide
Learn about Benitoite
rare barium titanium cyclosilicate with sapphire-blue, sharp triangular crystals and vivid UV fluorescence; locality California State Gem Mine.
Benitoite
Regional guide
Benitoite from California State Gem Mine, USA
California State Gem Mine, USA. Type locality; saturated blue crystals with natrolite and neptunite, high collector appeal and UV fluorescence.
Locality guide
California State Gem Mine
California State Gem Mine, USA — type locality for benitoite; gem-quality blue benitoite with natrolite and neptunite, highly prized by collectors.