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6th grade science unit 3 Earth's Comp and Changes posttest 25-26 DUE: Dec 19 — 24 Questions
Armstrong, Kennedee

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Passage 4927
Read the passage and answer the following question(s).

Passage 4927

Students in Mrs. Paul's class learned about physical properties of various minerals before going on a field trip where they could collect minerals. They created a table showing hardness, color, luster, and streak of the minerals they studied in order to investigate the samples they found.

Mineral Hardness Color Luster Streak
Kaolinite 2.0 White Dull White
Gypsum 2.0 White Glassy White
Hematite 6.0 Brown Metallic Red
Calcite 3.0 White Pearly White
Fangite 2.5 Red Metallic Orange
Cuprite 4.0 Brown Glassy Red
Resize Columns
Question 12.



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?

Kaolinite


Gypsum


Hematite


Fluorite



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Answered by GPT-5 mini AI
Gypsum.

Reason: Gypsum has a glassy luster and hardness 2.0, which is less than Fangite's 2.5, so it would fail to scratch Fangite.