Neptunite - image 1
Neptunite - image 2

Neptunite

Help improve this record

No owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.

Sign in to contribute
A lustrous translucent blue crystal of benitoite 1.0 cm in size along one edge of a natrolite covered matrix with many lustrous black prismatic crystals of neptunite. Classic combination specimen for this locality, this is in really good condition.

Product details

SpeciesNeptuniteBenitoiteNatrolite
SizeSmall Cabinet
Dimensions8.0 x 4.5 x 1.0 cm
Added on08/20/2025
LocalityDallas Gem Mine, San Benito Co., California, USA

Current owner

Unknown Owner
Acquired
Feb 2026
Price paid
$775.00

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.