Tag: biotite
Updated on June 18, 2016
Magnificent Minerals – Part 2
“Is this a fossil? Or petrified wood?”, I was asked during a fossil dig in Kansas last week. After looking at the item of interest, I explained that the find was not a fossil, but the mineral, gypsum. …
Posted on October 13, 2013
Grand Canyon: Granite Rocks
As a geology student I love to look at, touch, and think about rocks. However, I am afraid that I do not love all kinds of rocks equally. My least favorite rocks are the ones that look like …
Posted on December 15, 2012
Radical Radiohalos
The depth and beauty of the granite countertop of the ice cream shop intrigued me as I slowly enjoyed my cone. There were grey, white, clear, and light pink specks, which I knew to be quartz, peachy colored …
