Answered: Speculate on the differences in the…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Question

Speculate on the differences in the symmetry of the crystalline structure between quartz and feldspar at lower temperatures. How does increasing temperatures change the framework of feldspar and quartz?

Expert Solution

Step 1: introduction

QUARTZ :-

Mineral Composition: Quartz is composed of silicon dioxide (SiO 2).
Crystal Structure: It has a trigonal crystal structure
Transparency: Quartz crystals can be transparent, translucent, or opaque, and they can vary in color, including clear, rose, and smoky varieties.
Hardness: Quartz is one of the hardest known minerals
Abundant: It is one of the most abundant minerals in the Earth's crust.
Common Uses: Used in jewelry, electronics, glassmaking, and as a component of various rocks and minerals.

FELDSPAR :-

Mineral Composition: Feldspar is a group of aluminosilicate minerals, with varying compositions such as KAlSi3O8 (potassium feldspar) or NaAlSi 3 O8 (sodium feldspar).
Crystal Structure: Typically monoclinic
Color and Luster: It comes in a range of colors and possesses a vitreous to pearly luster.
Abundant: Abundant in Earth's crust, a key component in various igneous and metamorphic rocks.
Common Uses: Used in ceramics, glassmaking, and as a raw material for making glazes and pottery.