Neptunite
Unknown Owner
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A sliver of natrolite matrix adorns the base of this well formed lustrous, black crystal of neptunite. It is perfect and complete 360 degrees. This is simply an OUTSTANDING thumbnail specimen of competitive quality. It comes from the (Midwest Federation) award-winning case of TN specialist Robert Randall, and was obtained by him from Jaye Smith in 1988.
Product details
SpeciesNeptunite
SizeThumbnail
Dimensions2.4 x 1.6 x 1.0 cm
Added on10/23/2024
LocalityUSA, California, Benitoite Gem Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
Learn more
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
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