Author Question: Which mineral will "double refract" written text? (Read 95 times)

james · **on:** Feb 28, 2020

Question 1

A cubic centimeter of quartz, olivine, and gold weighs 2.5, 3.0, and 19.8 grams, respectively. This indicates that ________.
◦ gold and olivine are silicates, whereas quartz is elemental silicon
◦ olivine and quartz powders are harder than metallic gold
◦ gold is 6 to 7 times harder than olivine and quartz
◦ gold has a higher specific gravity than quartz and olivine

Question 2

Which mineral will "double refract" written text?
◦ calcite
◦ apatite
◦ flourite
◦ quartz

b614102004 · **Reply #1 on:** Feb 28, 2020

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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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