A rock overturned by the Opportunity rover. Dark coating (spectrally resembling the so-called desert varnish, thus may be composed of, i.a., birnessite) + light-toned coating (Mg sulfates).
Select Mineral List Type
2 valid minerals.
List of minerals arranged by Strunz 10th Edition classification
|Group 7 - Sulphates, Chromates, Molybdates and Tungstates|
|ⓘ||Epsomite ?||7.CB.40||MgSO4 · 7H2O|
|ⓘ||Kieserite ?||7.CB.05||MgSO4 · H2O|
List of minerals arranged by Dana 8th Edition classification
|Group 29 - HYDRATED ACID AND NORMAL SULFATES|
|ⓘ||Epsomite ?||184.108.40.206||MgSO4 · 7H2O|
|ⓘ||Kieserite ?||220.127.116.11||MgSO4 · H2O|
List of minerals for each chemical element
Farrand, W.H., Johnson, J.R., Rice, M.S., Wang, A., Bell, III, J.F. (2016) VNIR Multispectral Observations of Aqueous Alteration Materials by the Pancams on the Spirit and Opportunity Mars Exploration Rovers. American Mineralogist, 101:9, 2005-2019.
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