Which is much reliable in identifying minerals? color or streak?
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Which is much reliable in identifying minerals? color or streak?
Which is much reliable in identifying minerals? color or streak?
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Answer:
Streak is a more reliable property than color because streak does not vary. Minerals that are the same color may have a different colored streak. Many minerals, such as the quartz in the Figure above, do not have streak. To check streak, scrape the mineral across an unglazed porcelain plate (