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Question #1

Name the mineral
use the ID properties below
and choose your answer
from the mineral chemistry list

hardness

luster

crystal shape

cleavage

fracture

streak

specific gravity

acid reaction

magnetism

striations

double refraction

color

Al2O3

C

CaCO3

CaCO3•MgCO3

CaF2

CaSO4

Fe2O3

Fe3O4

FeS2

KAlSi3O8

KCl

MnO2

NaAlSi3O8

NaCl

PbS

SiO2

ZnS