Question
Download Solution PDFWhich one of the following is correct?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Minerals and Their Properties
- Minerals are naturally occurring, inorganic substances with a definite chemical composition and a crystalline structure.
- Different minerals have unique properties such as hardness, color, luster, and specific gravity, which help in their identification.
EXPLANATION:
- Let's analyze the given options:
- Option 1: Pyroxene is commonly found in meteorites. This statement is correct as pyroxene is a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks, including meteorites.
- Option 2: Amphiboles form about 20% of the Earth's crust. This statement is incorrect as amphiboles make up a smaller portion of the Earth's crust.
- Option 3: Quartz is soluble in water. This statement is incorrect; quartz (SiO2) is not soluble in water under normal conditions.
- Option 4: The word 'sedimentary' is derived from the Latin word kelimentum. This statement is incorrect; the word 'sedimentary' is derived from the Latin word 'sedimentum', meaning settling.
Therefore, the correct answer is Pyroxene is commonly found in meteorites.
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