question 1 (2 points) which is the best indicator of a minerals true color? visible color effervescence…

question 1 (2 points) which is the best indicator of a minerals true color? visible color effervescence luster streak question 2 (2 points) which test requires the mohs scale? streak hardness cleavage luster

question 1 (2 points) which is the best indicator of a minerals true color? visible color effervescence luster streak question 2 (2 points) which test requires the mohs scale? streak hardness cleavage luster

Answer

Brief Explanations:

For the first question, the streak of a mineral is the color of the powder it leaves behind when scratched on a porcelain plate, and it is a more reliable indicator of a mineral's true color than its visible color which can be affected by impurities. For the second question, the Mohs scale is used to measure the hardness of minerals, ranking them from 1 (talc) to 10 (diamond).

Answer:

Question 1: D. streak Question 2: B. hardness