Now examine the quartz sample (sample 25). Of the applications listed for quartz in Table 1.2, which do you think is the most widely used in our society?
Now examine the quartz sample (sample 25). Of the applications listed for quartz in Table 1.2, which do you think is the most widely used in our society?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Table 1.2: Industrial and Rock Forming Minerals.
Mineral
Chemical Formula
Important Physical Properties
Applications
high hardness, transparent,
chemically inert, & can be
molded into different shapes
glass, mortar/cement sand
(aggregate), watch crystals,
Si wafers
quartz
Sio,
chemically weathers in acidic
solutions to clay minerals
Na-feldspar
NAAISI,O,
glass, ceramics
chemically weathers in acidic
solutions to clay minerals
K-feldspar
KAISI,Os
ceramic glaze, abrasives
KAI, (AISI,O,0)OH,
decorative use in plaster,
pearlescent paint, rubber, plastic
muscovite
cleaves (peels) into thin sheets
chemically breaks down under
oxidizing conditions in Fe &
Fe" ions & H,SO4
source of S for sulfuric acid,
brown tint for glass
pyrite
FeS,
dissolves (fizzes) in acidic
solutions into Ca+ & CO,- ions,
converts to CaO under high
basic mineral in limestone, main
ingredient in cement, concrete
aggregate, agricultural lime
calcite
CaCO,
heat.
low hardness & ability to bond
to different materials.
sheetrock, Plaster of Paris,
retarding agent in cement
дypsum
Caso,-2H,0
easily dissolves in water and
releases Nat & CI ions
halite
NaCi
table and road salt, chemicals
filler for paper, paint, rubber,
and plastics, used in cosmetics,
white color with
kaolinite
Al,Si,Os(OH),
powdery feel
medicine, and ceramics
extremely low hardness
and grey color, greasy feel
dry lubricant, graphite
compounds, pencil leads,
graphite
crucibles

Transcribed Image Text:6. Now examine the quartz sample (sample 25). Of the applications listed for quartz in Table 1.2,
which do you think is the most widely used in our society?
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