Roger Weller, geology instructor ( wellerr@cochise.edu )

last edited: 3/22/18 number of illustrations: 371 crystals





twinned pyrite crystals



Also Visit:

chalcopyrite: 1

chrysoberyl: 1 2

columbite: 1

copper: 1

coquimbite: 1

corundum: 1

chromium oxide: 1

diamond: 1 2

diaphorite: 1

dioptase: 1

dolomite: 1 2

epidote: 1

epsomite: 1

fluorite: 1

galena: 1

glaucodot: 1

gold: 1

gypsum: 1 2 3

harmotone: 1

hauerite: 1

hauynite: 1

hematite: 1

hemimorphite: 1 2 3

iodosuccinimide: 1

iridium: 1

ixiolite: 1

kyanite: 1

linnaeite: 1

magnetite: 1

malachite: 1 2

manganite: 1

marcasite: 1 2 3 4 5

mica: 1 2 3

millerite: 1

mimetite: 1

monazite: 1

natrolite: 1

nitre: 1 2

orthoclase: 1 2 3 4 5 6 7

phillipsite: 1 2

pinakiolite: 1

plagioclase: 1 2 3

potassium chlorate: 1

potassium sulfate: 1 2

pyrargyrite: 1 2

pyrite: 1 2 3 4 5 6 7

pyroxene: 1 2

pyrrhotite: 1

quartz: 1 2 3 4 5 6 7 8 9 10

roselite: 1 2

rutile: 1 2 3 4 5 6

silver: 1

sphalerite: 1

spinel: 1 2

staurolite: 1 2 3

stilbite: 1

struvite: 1

sulfur: 1

tetrahedrite: 1

titanite: 1

tridymite: 1 2

witherite: 1

zircon: 1

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