DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: CM3
MINERAL_TYPE: Phyllosilicate
MINERAL: Kaolinite (Kaolinite-Serpentine group)
FORMULA: Al2Si2O5(OH)4
FORMULA_HTML: Al2Si2O5(OH)4
COLLECTION_LOCALITY: Macon, GA
ORIGINAL_DONOR: Clay Mineral Standard from Wards Natural Science Inc.
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Polymorphous with Dickite, Halloysite, and Nacrite.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Kaolinite partially ordered, < 2µm fraction is pure (Norma Vergo)
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: XRF # XRF, EM(WDS), ICP(Trace), WChem
| COMPOSITION: | SiO2 | 45.0 | wt% | SiO2 |
| COMPOSITION: | TiO2 | 1.54 | wt% | TiO2 |
| COMPOSITION: | Al2O3 | 37.9 | wt% | Al2O3 |
| COMPOSITION: | Fe2O3 | 0.32 | wt% | Fe2O3 |
| COMPOSITION: | FeO | <0.01 | wt% | FeO |
| COMPOSITION: | MnO | <0.02 | wt% | MnO |
| COMPOSITION: | MgO | 0.20 | wt% | MgO |
| COMPOSITION: | CaO | 0.06 | wt% | CaO |
| COMPOSITION: | Na2O | <0.15 | wt% | Na2O |
| COMPOSITION: | K2O | 0.06 | wt% | K2O |
| COMPOSITION: | P2O5 | 0.05 | wt% | P2O5 |
| COMPOSITION: | H2O+ | 13.7 | wt% | H2O+ |
| COMPOSITION: | H2O- | 0.63 | wt% | H2O- |
| COMPOSITION: | H2O | 14.3 | wt% | H2O |
| COMPOSITION: | LOI | 14.1 | wt% | LOI |
| COMPOSITION: | Total | 98.90 | wt% | |
| COMPOSITION: | O=Cl,F,S | wt% | #correction for Cl, F, S | |
| COMPOSITION: | New Total | wt% |
COMPOSITION_TRACE:
COMPOSITION_DISCUSSION:
XRF Analysis by Branch of Analytical Chemistry, USGS, Denver. Total above includes LOI value rather than H2O values, and does not include value for FeO as it was determined at same time as H2O. Trace analysis was performed and will be added later.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1_2_3_4_
LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment
LIB_SPECTRA: splib04a r 2585 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib05a r ____ 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=