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Updated: Jul 12, 2026
09:01
High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
Published on: April 16, 2017
Summary
Troilite crystals from lunar sample 10050 exhibit a hexagonal structure. Researchers confirmed and refined its low-temperature crystal structure using detailed intensity data analysis.
Area of Science:
- Mineralogy
- Crystallography
- Lunar Science
Background:
- Troilite, an iron sulfide mineral, is found in extraterrestrial samples.
- Lunar samples provide unique insights into the Moon's geological history.
- Previous studies proposed a low-temperature crystal structure for troilite.
Purpose of the Study:
- To characterize the crystal structure of troilite from lunar sample 10050.
- To confirm and refine the proposed low-temperature crystal structure of troilite.
- To investigate the relationship between troilite's crystal habit and its structure.
Main Methods:
- Crystallographic analysis of fine, euhedral troilite crystals.
- Measurement of three-dimensional counter intensity data.
- Structure refinement using crystallographic data.
Main Results:
- Troilite crystals display a hexagonal habit consistent with the NiAs-type structure.
- The low-temperature crystal structure of troilite was confirmed.
- Refinements provided a more precise understanding of the troilite crystal structure.
Conclusions:
- The hexagonal habit of troilite is indicative of its high-temperature structure.
- The study successfully confirmed and refined the low-temperature crystal structure of lunar troilite.
- This research contributes to the understanding of mineral structures in lunar samples.
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