Neptunite, Natrolite - image 1
Photo by László Kupi

Neptunite, Natrolite

Kevin Brown
Kevin Brown
Parker, TX
0 for sale·Member since 2026
Neptunite on natrolite, 9.8 cm, from the Dallas Gem mine, San Benito County, California. Ex collection of Jim and Dawn Minette; László Kupi photo.

Product details

Species
Neptunite, NatroliteAbout Neptunite →
SizeSmall Cabinet
Dimensions9.8 cm
Added on03/26/2026
Locality
USA, California, Dallas Mine
Publications
  • Mineralogical Record The Kevin Brown Collection page 229

Known provenance

DateCollectorAcquisition price
—Jim and Dawn MinetteNot 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.
Regional guide
Neptunite from Dallas Mine
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