EBK THE EARTH THROUGH TIME
11th Edition
ISBN: 9781119117063
Author: Unknown
Publisher: YUZU
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Question
Chapter 4, Problem 1QRD
To determine
The definition of a mineral. Identify the characteristics of a true mineral that would not be present in a piece of volcanic glass.
Expert Solution & Answer
Answer to Problem 1QRD
A naturally occurring, solid, inorganic substance that has a definite chemical composition and crystal structure is referred as a mineral. Volcanic glass lacks crystalline structure and it is more complex to comprise a single mineral.
Explanation of Solution
A mineral can be defined as a naturally forming solid inorganic substance with a definite chemical composition and crystal structure. The identification of mineral is done based on various physical and chemical properties. The physical properties that are used for the identification of a mineral include color, streak, hardness, luster, cleavage, density, crystal form, and magnetism.
Volcanic glass is considered as a mineraloid that lacks crystalline structure. Also, the composition of volcanic glass is not always the same.
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