mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Mineralpedia Details for Sanromanite




Named for Francisco J. San Roman, a Chilean naturalist who specialized in mineralogy and geology. It occurs only at its type locality in the Santa Rosa Mine in the Tarapaca Region of Chile where is appears as colorless, lath-like fine needles to greenish-yellow radiating, acicular aggregates or artichoke like aggregates. It is associated with malachite, calcite, anhydrite, chalconatronite, sodium-hydrogen carbonates and juangodoyite.

Ref. Schluter, et al. and Neues Jahrbuch für Mineralogie - Abhandlungen, Volume 183, Number 2, February 2007 , pp. 117-121(5)

Crystal System
Hexagonal - Dihexagonal Pyramidal 
View Sanromanite 
View Sanromanite 

Sanromanite from Santa Rosa mine, Iquique, Tarapacá Region, Chile

            from Santa Rosa mine, Iquique, Tarapacá Region, Chile

Honey yellow pirismatic crystals to 1mm with good coverage on and in pastel blue Juangodoyite.

Free-standing, honey yellow, acicular crystals of Sanromanite. Usually the crystals are flat lying on matrix.

Yellow prismatic crystals to 1mm with good coverage associated with green Chalconatronite.

Click thumbnail images for larger view.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2024 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map