DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS635
MINERAL_TYPE: Sulfate
MINERAL: Jarosite (Natrojarosite) (Alunite Group)
FORMULA: Na(Fe3+)3(SO4)2(OH)6
FORMULA_HTML: NaFe+33(SO4)2(OH)6
COLLECTION_LOCALITY: Skouriatissa, Cyprus, Greece
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR: George Desborough
CURRENT_SAMPLE_LOCATION: Denver GDS Collection
ULTIMATE_SAMPLE_LOCATION: Denver GDS Collection
SAMPLE_DESCRIPTION:
This is a natural natrojarosite from Cyprus, Greece. For more analytical information see: Desborough, G.A., Smith, K.S., Lowers, H.A., Swayze, G.A., Hammarstrom, J.M., Diehl, S.F., Leinz, R.W., and Driscoll, R.L., 2010, Mineralogical and chemical characteristics of some natural jarosites: Geochimica et Cosmochimica Acta, v. 74, p. 1041-1056.
IMAGE_OF_SAMPLE: Not Available
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Sample is Na-jarosite with no impurities observed in its XRD pattern. B. Benzel.
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
For more analytical information see: Desborough, G.A., Smith, K.S., Lowers, H.A., Swayze, G.A., Hammarstrom, J.M., Diehl, S.F., Leinz, R.W., and Driscoll, R.L., 2010, Mineralogical and chemical characteristics of some natural jarosites: Geochimica et Cosmochimica Acta, v. 74, p. 1041-1056.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION: Spectrum appears to be that of pure Na-jarosite (Natrojarosite). G. Swayze.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns