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color test
The color test is the least reliable test because many different minerals have similar colors. A similar test to color is the streak test. The streak test matches the color of the mineral's powder. Interestingly, the mineral color and the streak color are often different.
In a lab investigation, students had to identify different mineral specimens. Which property is the LEAST reliable for identifying one mineral from another?
streak
hardness
cleavage
mineral color
1 answer