Home > American Minerals – August 22 > MS1425 Joaquinite-(Ce)
Joaquinite-(Ce)
- Gem mine
- New Idria distict
- San Benito County
- California
- U.S.A.
- 3.3 by 2.8 by 1.1 cm – Thumbnail specimen (fits into a 2.5 cm cube)
Louderback & Blasdale (1909) named joaquinite after the Joaquin Ridge, a feature near the benitoite mine. Its true chemistry eluded researchers until Semenov et al. (1967) demonstrated the presence of rare earth elements.
This specimen of glaucophane schist hosts a joaquinite-(Ce) crystals 2 mm across. That is large for the species! These specimens are becoming rare stockpiles of specimens are being depleted.
Price: $45
Item code: MS1425
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