|
|
TITLE: Prehnite GDS613 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS613
MINERAL_TYPE: Phyllosilicate
MINERAL: Prehnite
FORMULA: Ca2Al2Si3O10(OH)2
FORMULA_HTML: Ca2Al2Si3O10(OH)2
COLLECTION_LOCALITY: Australia
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: Roger Clark, USGS Denver
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Tumbled polished prehnite sample. Large rocks were ground to make <60µm (a) and >60µm (b) size fractions.
IMAGE_OF_SAMPLE: Not Available
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Pure prehnite.
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
| COMPOSITION KEYWORD |
Oxide ASCII |
Amount | Weight Percent, % |
Oxide html |
|---|---|---|---|---|
| COMPOSITION: | SiO2: | wt% | SiO2 | |
| COMPOSITION: | TiO2: | wt% | TiO2 | |
| COMPOSITION: | Al2O3: | wt% | Al2O3 | |
| COMPOSITION: | Cr2O3: | wt% | Cr2O3 | |
| COMPOSITION: | V2O3: | wt% | V2O3 | |
| COMPOSITION: | Fe2O3: | wt% | Fe2O3 | |
| COMPOSITION: | FeO: | wt% | FeO | |
| COMPOSITION: | NiO: | wt% | NiO | |
| COMPOSITION: | MnO: | wt% | MnO | |
| COMPOSITION: | MgO: | wt% | MgO | |
| COMPOSITION: | SrO: | wt% | SrO | |
| COMPOSITION: | ZnO: | wt% | ZnO | |
| COMPOSITION: | BaO: | wt% | BaO | |
| COMPOSITION: | CaO: | wt% | CaO | |
| COMPOSITION: | Li2O: | wt% | Li2O | |
| COMPOSITION: | Na2O: | wt% | Na2O | |
| COMPOSITION: | K2O: | wt% | K2O | |
| COMPOSITION: | P2O5: | wt% | P2O5 | |
| COMPOSITION: | Cl: | wt% | Cl | |
| COMPOSITION: | F: | wt% | F | |
| COMPOSITION: | S: | wt% | S | |
| COMPOSITION: | SO3: | wt% | SO3 | |
| COMPOSITION: | CO2: | wt% | CO2 | |
| COMPOSITION: | H2O+: | wt% | H2O+ | |
| COMPOSITION: | H2O-: | wt% | H2O- | |
| COMPOSITION: | H2O: | wt% | H2O | |
| COMPOSITION: | LOI: | wt% | LOI | |
| COMPOSITION: | -------- | ------ | ---- | --------- |
| COMPOSITION: | Total: | wt% | ||
| COMPOSITION: | O=Cl,F,S: | wt% | #correction for Cl, F, S | |
| COMPOSITION: | New Total: | wt% |
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
No additional compositional details available.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
Spectrum looks spectrally pure.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2a3a4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
| LIB_SPECTRA_HED: | where | Wave Range | Av_Rs_Pwr | Comment |
|---|---|---|---|---|
| LIB_SPECTRA: | splib06a r 18096 | 1.5-25µm | 200 | g.s.= <60µm |
| LIB_SPECTRA: | splib06a r 18141 | 0.35-2.5µm | 250 | g.s.= >60µm |
| LIB_SPECTRA: | splib06a r 18167 | 1.5-25µm | g.s.= | |
| LIB_SPECTRA: | splib06a r 18212 | 0.35-2.5µm | g.s.= |