Answered

What is the difference between streak and luster?
a. Streak is the color of a mineral in powdered form and luster is the way in which a mineral
reflects light
b. Luster is the color of a mineral in powdered form and streak is the way in which a mineral
reflects light
c. Streak describes the color of silicate minerals and luster describes the color of non-silicate
minerals
d. Luster describes the color of silicate minerals and streak describes the color of non-silicate
minerals



Answer :

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The correct answer to the question "What is the difference between streak and luster?" is:

a. Streak is the color of a mineral in powdered form and luster is the way in which a mineral reflects light

Explanation:
1. Streak refers to the color of a mineral when it is crushed into a powder. This can sometimes differ from the color of the mineral itself.
2. Luster, on the other hand, describes how light reflects off the surface of a mineral. It helps identify the quality of light reflection such as metallic, glassy, pearly, dull, etc.

Understanding the distinction between streak and luster is essential in mineral identification as they provide valuable clues about the mineral's composition and physical properties.

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