Question

Consider this group of rocks granite marble and gneiss what property was used to group these rocks

Answer 1

The answer is Grain.

Explanation:

The four minerals that make up granite are feldspar, quartz, mica, and hornblende. Marble is a beautiful rock that is used by humans as building material and for decorative uses ... Rocks are classified into these groups by the way they were formed. ... Luster is a property of a mineral that tells how the mineral reflects light.

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Answer 2

Answer: The answer is Grain.

Step-by-step explanation:

The four minerals that make up granite are feldspar, quartz, mica, and hornblende. Marble is a beautiful rock that is used by humans as building material and for decorative uses ... Rocks are classified into these groups by the way they were formed. ... Luster is a property of a mineral that tells how the mineral reflects light.