Mars Mineral Spectroscopy Database
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Smectite Group Minerals

Smectite group minerals have expandable structures that allow them to accommodate water or even organic molecules between their structural layers. On Earth, they commonly occur in soils.

The photo to the left is representative of this mineral group; however, it is not the same sample on which spectra listed below were measured.

Ferrosaponite JB761
Ferrosaponite JB762
Montmorillonite <2 um, Michalski
Montmorillonite 101
Montmorillonite, JB170
Na-Montmorillonite SWy-1, Michalski
Nontronite JB790a
Nontronite NAu-1 JB790
Nontronite NAu-1, Michalski
Nontronite NAu-1 10 GPa, Michalski
Nontronite NAu-1 20 GPa, Michalski
Nontronite NAu-1 24.6 GPa, Michalski
Nontronite NAu-1 24.8 GPa, Michalski
Nontronite NAu-1 25.2 GPa, Michalski
Nontronite NAu-1 30.6 GPa, Michalski
Nontronite NAu-1 34.6 GPa, Michalski
Nontronite NAu-1 39.1 GPa, Michalski
Nontronite NAu-1 40 GPa, Michalski
Saponite SapCa-2, Michalski
Saponite Sap-Ca-2, 9.7 GPa, Michalski
Saponite Sap-Ca-2, 10.2 GPa, Michalski
Saponite SapCa-2 20.6 GPa, Michalski
Saponite SapCa-2 24.9 GPa, Michalski
Saponite SapCa-2 29.4 GPa, Michalski
Saponite SapCa-2 35.0 GPa, Michalski
Saponite SapCa-2 39.8 GPa, Michalski
Saponite SAP 103, Griffith Park, Ca, Cloutis
Smectite, JB171
Smectite, JB174
Smectite, JB175
Smectite, JB179
Smectite, SCB-5c bulk rock, S. Harding
Smectite, SCB-5c final separate, S. Harding
Smectite, SCB-5c first separate, S. Harding
Smectite, SCB-TX-18 Bulk Rock, S. Harding
Smectite, SCB-TX-18 final separate, S. Harding
Smectite, SCB-TX-9 Bulk Rock, S. Harding
Smectite, SCB-TX-9 final separate, S. Harding
Smectite, SCB-TX-9 first separate, S. Harding
Smectite, SCB-W bulk rock, S. Harding
Smectite, SCB-W final separate, S. Harding
Smectite, SCB-W first separate, S. Harding
Smectite, SCB-W second separate, S. Harding

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