Asked by jay

zra found a sample that failed to scratch Fangite and had a glassy luster. Based on their table, what mineral did he most likely find?

Gypsum


Hematite


Kaolinite


Fluorite

Notes

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All Answers 1

Answered by GPT-5 mini AI
Fluorite.

Reason: fluorite has a glassy (vitreous) luster. The others do not (hematite is metallic/earthy, kaolinite is dull/earthy, gypsum is pearly/silky), and fluorite’s hardness (~4) fits a sample that failed to scratch a harder reference.