Emily Zawacki, Ph.D. – Page 13 – Geological Sciences | Science Communication

AMNH

July 14, 2014August 15, 2018 itssedimentary

Chrysocolla

July 13, 2014August 15, 2018 itssedimentary

Image by author

Actinolite

July 12, 2014August 15, 2018 itssedimentary

Image by author

Tourmaline in quartz

July 11, 2014August 15, 2018 itssedimentary

Image by author

AMNH Minerals

July 11, 2014August 15, 2018 itssedimentary

Just visited the American Museum of Natural History, and I definitely could have spent all day in the mineral gallery!

Quartz, pyrite, sphalerite, selenite

July 10, 2014August 15, 2018 itssedimentary

Specimen from Anselmo Mine, Butte, Montana Image by author

Micas

July 9, 2014August 15, 2018 itssedimentary

Lepidolite (left) Muscovite (center) Biotite (right) Image by author

Garnet

July 8, 2014August 15, 2018 itssedimentary

Dodecahedral garnet crystal Image by author

You breccia!

July 6, 2014August 15, 2018 itssedimentary

I made some slices of one of the breccias from my research site, and look at how pretty they look! [Breccias are rocks composed of broken fragments of other rocks or minerals, all cemented together in a fine-grained matrix]

Banded Iron Formation

July 5, 2014August 15, 2018 itssedimentary

Get to know BIFs. Get to love BIFs. HERE are some more absolutely beautiful BIFs that I saw while in northeastern Minnesota. Image by author