Which of the following is not a mineral? 1. Quartz 2. Limestone 3. Pyrite 4. Fluorite
Understand the Problem
The question is asking to identify which option from the list provided is not classified as a mineral. It requires knowledge of geological materials and their classifications.
Answer
Limestone is not a mineral.
The correct answer is Limestone.
Answer for screen readers
The correct answer is Limestone.
More Information
Limestone is a sedimentary rock primarily composed of the mineral calcite. While minerals are naturally occurring inorganic solids with a definite chemical composition and crystalline structure, rocks are aggregates of one or more minerals.
Tips
A common mistake is to confuse rocks, which are aggregates of minerals, with single minerals themselves.
Sources
- 3 Minerals – An Introduction to Geology - OpenGeology - opengeology.org
- Geology Identification Guide - Cave Of The Mounds - caveofthemounds.com