- Modality
- NIR
- Category
- mineral
- Material Type
- Phyllosilicate
- Sample ID
- CM13 (also known as API13)
- Collection Locality
- Dragon Iron Mine, Eureka, Utah
- Spectral Purity
- 1b2b3b4b # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
- Composition / XRD
- XRF # XRF, EPMA, ICP(Trace), WChem COMPOSITION KEYWORD Oxide ASCII Amount Weight Percent, % Oxide html COMPOSITION: SiO2 46.3 wt% SiO2 COMPOSITION: TiO2 0.11 wt% TiO2 COMPOSITION: Al2O3 35.2 wt% Al2O3 COMPOSITION: Fe2O3 0.72 wt% Fe2O3 COMPOSITION: FeO 0.02 wt% FeO COMPOSITION: MnO less than 0.02 wt% MnO COMPOSITION: MgO 0.31 wt% MgO COMPOSITION: CaO 0.31 wt% CaO COMPOSITION: Na2O less than 0.15 wt% Na2O COMPOSITION: K2O less than 0.02 wt% K2O COMPOSITION: P2O5 0.26 wt% P2O5 COMPOSITION: H2O+ 14.4 wt% H2O^+ COMPOSITION: H2O- 1.80 wt% H2O^- COMPOSITION: H2O 16.2 wt% H2O COMPOSITION: LOI 15.8 wt% LOI COMPOSITION: Total wt% COMPOSITION: O=Cl,F,S wt% #correction for Cl, F, S COMPOSITION: New Total wt%
- Sample Description
- Polymorphous with Dickite, Kaolinite, and Nacrite. A spectrum for this sample was published by: Clark, R.N., King, T.V.V., Klejwa, M., Swayze, G.A., and Vergo, N., 1990, High spectral resolution reflectance spectroscopy of minerals: Journal of Geophysical Research, v.g 95, no. 8B, p 12,653-12,680. Who noted that the sample was spectrally pure. IMAGE_OF_SAMPLE: NO PHOTO
- XRD Analysis
- Halloysite + quartz less than 2µ 7A halloysite + smectite + trace 10A halloysite. Spectrally pure. (Norma Vergo)
- X Units
- cm⁻¹
- Y Units
- Absorbance
- Data Points
- 2,126