Which physical property would be the most useful in identifying a sample of galena from among the minerals listed in the decision chart above? Question 2 options: A streak B hardness C luster D shape
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Luster is the physical property which seems to be most useful in identifying the sample of galena from the minerals mentioned in the decision chart.
Luster indicates to the general appearance of mineral surface of the reflected light. Two general kinds of luster are mentioned as follows: metallic and non-metallic.
Metallic luster seems to look shiny similar to metal whereas non-metallic luster is considered as greasy, resinous and vitreous.
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i believe it would be luster
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