Neptunite, Joaquinite, Benitoite
Unknown Owner
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Neptunite is a rare titanium mineral that occurs, at its best, from this famous benitoite locality. Not only is this a fine example with a 2.5 cm long (one inch!), doubly terminated neptunite crystal smack in the middle of a contrasting white matrix BUT it also hosts one of the sharpest and largest crystals you will ever see of a far more rare titanium species, joaquinite. Joaquinite crystals are extremely uncommon - even when they exist are sub-millimeter. This is eye visible, and is a large single crystal for what it is (just under 2 mm). Exchanged from the private collection of a friend and dealer, this is a rare combo indeed.
Product details
SpeciesBenitoite, Neptunite, Joaquinite
SizeSmall Cabinet
Dimensions6.7 x 4.2 x 2.3 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 Benitoite
rare barium titanium cyclosilicate with sapphire-blue, sharp triangular crystals and vivid UV fluorescence; locality California State Gem Mine.Regional guide




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