Neptunite - image 1
Neptunite - image 2

Neptunite

Tama Higuchi
Tama Higuchi
Dallas, TX
0 for sale·Member since 2025

Tama Higuchi collection #269

Nice fat, terminated neptunite crystal. This one is unusual in that the natrolite is in its intact, natural form, without any etching usually done to reveal the neptunite/benitoite xls from their matrix.

Product details

Species
Neptunite, NatroliteAbout Neptunite →
SizeMiniature
Dimensions2.8 cm
Added on02/19/2026
Locality
USA, California, California State Gem MineRegional guide →

Known provenance

DateCollectorAcquisition price
02/2024Tama HiguchiNot disclosed
Mineral Classics, Brian Kosnar

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 California State Gem Mine, USA
California State Gem Mine, San Benito County - famed for black neptunite with blue benitoite in natrolite, offering dramatic contrast and collector appeal.