• Neptunite with Joaquinite-(Ce) and Benitoite
  • Neptunite with Joaquinite-(Ce) and Benitoite
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Neptunite with Joaquinite-(Ce) and Benitoite

$2,000.00   €1,704  £1,450.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC18865
The combination of Neptunite and Benitoite is a classic from the California State Gem mine on Santa Rita Peak, in San Benito County, California.  As a bonus, this superb specimen also has well developed crystals of the rare cyclosilicate mineral Joaquinite-(Ce).  Also known as the Dallas Gem mine or Benitoite mine, this is the type locality for both Benitoite and Joaquinite-(Ce).  In this showy small cabinet specimen, the Neptunite forms highly lustrous black prismatic acicular crystals to over 2 cm long embedded in fine-grained snowy-white Natrolite which covers a light grey ultramafic matrix.  The Benitoite crystals form very deep blue plates to about 5 mm and the Joaquinite-(Ce) occurs as blocky, burnt-orange crystals of about 1 cubic-mm.  A beautiful specimen of Neptunite with Joaquinite-(Ce) and Benitoite.

Details

Dimensions
6.0 × 7.8 × 5.0 cm
Categories
Silicates
Locality
California State Gem Mine, New Idria District, Diablo Range, San Benito Co., California, USA

Minerals on Specimen

Minerals on specimen
Benitoite, Joaquinite-(Ce), Neptunite

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