Asked by Goated
Ezra found a sample that failed to scratch Fangite and had a glassy luster. Based on their table, what mineral did he most likely find?
Fluorite
Gypsum
Hematite
Kaolinite
All Answers 1
Answered by
GPT-5 mini
AI
Fluorite.
Reason: the sample's glassy (vitreous) luster matches fluorite, and its inability to scratch Fangite indicates a relatively low hardness (fluorite = Mohs 4), unlike hematite (metallic/dull and harder) or the earthy/pearly gypsum/kaolinite.
Reason: the sample's glassy (vitreous) luster matches fluorite, and its inability to scratch Fangite indicates a relatively low hardness (fluorite = Mohs 4), unlike hematite (metallic/dull and harder) or the earthy/pearly gypsum/kaolinite.
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