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hematit
An iron-oxide mineral (Fe2O3) that may be the cause of the red color on Mars. Courser-grained gray hematite has the same chemical formula as the red variety, but a different crystalline structure. The deposits of gray hematite found in the Terra Meridiani region of Mars may suggest that water once circulated through the region's rock layers.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Astronomy
- Category: Planetary science
- Company: PSRD
- Product:
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