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Author Question: When a mineral fractures along a cleavage plane, what does this suggest about the crystal structure ... (Read 66 times)

cnetterville

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on: Feb 28, 2020

Question 1

Which of the following describes the light reflecting and transmission characteristics of a mineral?
◦ color streak
◦ virtual absorption
◦ fluorescence
◦ luster

Question 2

When a mineral fractures along a cleavage plane, what does this suggest about the crystal structure of the mineral?
◦ The crystal contains warped planes called twin planes that weaken the crystal structure and allow it fracture along a planar surface, causing cleavage.
◦ The crystal structure contains planes along which chemical bonding is much weaker than other directions.
◦ The atoms are arranged in a simple orderly arrangement with uniform bonding.
◦ The crystal grows only planar faces that become weak zones that form cleavage.
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by cnetterville on Feb 28, 2020

amy.lauersdorf90

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cnetterville

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Reply 2 on: Feb 28, 2020
Excellent

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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