Using the geologic definition of mineral as your guide,...

Name: Problem 1, Chapter 2: Earth Science
Uploaded: 2020-02-11T02:58:20-08:00
Duration: 59 s
Channel: Amy Jiang
Description: Using the geologic definition of mineral as your guide, determine which of the items in this list are minerals and which are not. If something in this list is not a mineral, explain. a. Gold nugget d. Cubic zirconia g. Glacial ice b. Seawater e. Obsidian h. Amber c. Quartz f. Ruby Refer to the periodic table of the elements (see Figure 2.5 ) to help you answer Questions 2 and 3 .

Using the geologic definition of mineral as your guide, determine which of the items in this list are minerals and which are not. If something in this list is not a mineral, explain. a. Gold nugget d. Cubic zirconia g. Glacial ice b. Seawater e. Obsidian h. Amber c. Quartz f. Ruby Refer to the periodic table of the elements (see Figure 2.5 ) to help you answer Questions 2 and 3 .

Using the geologic definition of mineral as your guide, determine which of the items in this list are minerals and which are not. If something in this list is not a mineral, explain.
a. Gold nugget
d. Cubic zirconia
g. Glacial ice
b. Seawater
e. Obsidian
h. Amber
c. Quartz
f. Ruby
Refer to the periodic table of the elements (see Figure 2.5 ) to help you answer Questions 2 and 3 .

Key Concepts

Chemical Composition

A defining feature of minerals is their specific and fixed chemical composition. This means that the substance adheres to a consistent chemical formula, which is integral to its identity and differentiation from materials with variable compositions.

Geologic Definition of a Mineral

This concept encompasses the criteria that a substance must be a naturally occurring, inorganic solid with a definite chemical composition and an ordered internal atomic structure to be classified as a mineral. Understanding this definition is fundamental to distinguishing minerals from non-mineral substances, including synthetic materials or those lacking a crystalline form.

Natural Occurrence

Minerals must form through natural geological processes rather than being created by human activity. This aspect is crucial in differentiating naturally occurring substances from manufactured ones, even when the latter exhibit similar physical characteristics.

Crystalline Structure

The ordered atomic arrangement or crystalline structure of a mineral confers its unique physical and chemical properties. This structural order is a distinctive criterion, as it helps in identifying minerals and predicting their behavior under various conditions.

Inorganic vs. Organic Substances

The categorization of a substance as inorganic, meaning it is not the product of biological processes, is essential in mineralogy. Organic substances, even if they form through natural processes, are typically not classified as minerals due to their biogenic origins and differing chemical properties.

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