Neptunite - image 1
Photo by Jeff Scovil

Neptunite

G

Gene Meieran
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Neptunite, 5 cm, from the Gem mine, San Benito County, California. Found on the day in 1969 when Neil Armstrong stepped onto the lunar surface.

Product details

Species
NeptuniteAbout Neptunite →
SizeMiniature
Dimensions5.0 cm
Added on02/13/2026
Locality
USA, California, Benitoite Gem Mine; Dallas Gem Mine area, San Benito River, New Idria District, Diablo Range, San Benito Co., California
Publications
  • Mineralogical Record Self Collected Minerals page 264

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.
Regional guide
Neptunite from Benitoite Gem Mine; Dallas Gem Mine area, San Benito River, New Idria District, Diablo Range, San Benito Co., California
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