What is the most unreliable source to identify a minerals property? - ProProfs Discuss
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What is the most unreliable source to identify a minerals property?



A. Streak
B. Color
C. Luster
D. Hardness

This question is part of Rocks And Minerals Quiz
Asked by Michelle, Last updated: Mar 27, 2019

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3 Answers

C. Marcus

C. MarcusContent Developer, Washington
Content Developer, Washington

Answered on Sep 20, 2018

The most unreliable source is B. Color. This is unreliable because stones and minerals are always exposed to a lot of properties. For example, when the mineral is exposed to weathering, it is already expected that the stones and minerals will suddenly change its color.

In order to check the type of mineral available, streak can be referred to in order to know the actual color of the mineral that is being identified. Hardness is a reliable source and this is one of the characteristics that are checked by professionals to determine the type of mineral available. Luster may be used from time to time.

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John Adney

John Adney

Answered on Mar 02, 2017

Hardness is correct because determining the hardness is simpler than determining other properties.
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John Smith

John Smith

Answered on Dec 04, 2016

Color
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