Mineralogy Thin Sections Flashcards
and twin type

Microcline (k Feld) with cross hatch twin

Fayalite (olivine)

Muscovite

Epidote

Muscovite
(and in)

albite in k feld
(general)

Plagioclase Feldspar

Microcline (k Feld)

Calcite
what in what

Quartz in Calcite

Titanite (sphene)
2

biotite and chlorite

Sanidine (K Feld)

biotite

Tremolite (amphibole)

Titanite (sphene)

Forsterite (olivine)

Zircon
and in

Augite (clino)

Diopside (clino)

Phlogophite

Hornblende (amph)

calcite

Tremolite (amphibole)

Tremolite (amphibole)

Fayalite (olivine)
and twin type

Orthoclase (k Feld) w/ carlsbad twin

Garnet

Chlorite

Calcite

Hornblende (amphibole)
and twin type

Orthoclase (k Feld) w/ carlsbad twin

Serpentine

Serpentine
Orange (general)

Serpentine

Apatite
zoning type?
twinning type?

Andesine (plag) w/ osc zoning and albite twinning

Calcite

Tremolite (amph)
(general)

Clinopyroxene

Epidote
(general)

Quartz

Chlorite

Epidote

Hornblende–amphibole
Epidote
what in what

Quartz in muscovite
(general)

Olivine

Forsterite (olivine)

Chlorite

Augite (clino)
(general)

Orthopyroxene

Hornblende (amphibole)

Sanidine (K Feld)
what in what

Quartz in muscovite

Garnet

Orthoclase (k Feld)
and in

Augite (clino) in olivine
2

Kyanite and biotite

Hornblende–amphibole
(general)

Garnet

Zircon

Chlorite
2

Kyanite and biotite

Apatite
(general)

Olivine

Apatite

Apatite

Sanidine (K Feld)

Tremolite (amphibole)
2 and explain

chlorite replacing biotite (intergrowth)

Biotite

Phlogophite

Chlorite

Calcite

Titanite (sphene)

Augite (clino)

Epidote

Zircon

biotite

Muscovite

Augite (clino)
2 and explain

chlorite replacing biotite (intergrowth)

Diopside (clino)
Yellow-brown grains (general)

Orthopyroxene

Talc

Biotite

Apatite