Tourmaline

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Blue Cap Tourmaline from Tourmaline Queen Mine, California, USA. ca. 1972.


Tourmaline is a semiprecious gem, whose “Blue Cap” specimens from California are revered for their signature blue tops. Of the 32 examples recovered from the Blue Cap pocket, only a handful have matrix. This sizeable specimen is exceptional, with its cranberry red color and prized blue cap. It is singularly one of the most important mineralogical objects in the world.


Owner - Fine Minerals International.

Product details

SizeCabinet
Dimensions14.0 x 7.0 x 7.5 cm
Added on05/01/2025
Locality

Learn more

Tourmaline
Mineral guide
Learn about Tourmaline
color range and crystal variety define a diverse group; top localities, value factors, quality assessment, and care tips for collectors.
Regional guide
Tourmaline from California
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