Margarite — NIR2,126 points · 4000–12500 cm⁻¹
Sample photograph — USGS Spectral Library v7
Spectrum Details
- Modality
- NIR
- Category
- mineral
- Material Type
- Phyllosilicate
- Sample ID
- GDS106
- Collection Locality
- Chester, MA
- Spectral Purity
- 1c2c3b4_ # GDS106 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
- Composition / XRD
- None # XRF, EPMA, ICP(Trace), WChem COMPOSITION_TRACE:
- Sample Description
- IMAGE_OF_SAMPLE:
- XRD Analysis
- 40 kV - 30 mA, 6.5-9.5 keV References: JCPDS #18-276; Huebner's patterns for margarite and chlorite; "ripidolite" GDS157 Found: Margarite and chlorite in subequal proportions Comment: Both phases have sharp reflections indicating good crystallinity and compositional homogeneity. (Jim Crowley, 1993, written communication.)
- X Units
- cm⁻¹
- Y Units
- Absorbance
- Data Points
- 2,126
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Attribution
USGS Spectral Library Version 7, U.S. Geological Survey
License: Public Domain
DOI: 10.3133/ds1035Analyze in Workbench
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