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Neptunite, Natrolite


Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24], Natrolite : Na2[Al2Si3O10] · 2H2O

Photo Copyright © Fabre Minerals. All Rights Reserved
http://www.fabreminerals.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
The specimen well represents the species. The crystals, prismatic and doubly terminated, contrast with snowy white Natrolite and are centered on a very balanced matrix.

Specimen size: 5.5 x 4.5 x 1.3 cm

Main crystal size: 3 x 0.4 cm

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