Calvin College's official student newspaper since 1907

Calvin College Chimes

Mineral spotlight: Autunite

Mineral spotlight: Autunite

February 24, 2017

Mineral spotlight: corundum

Daniel Blakemore

November 11, 2016

Filed under Science & Technology

Better known from its colored varieties, ruby and sapphire, corundum is a highly appealing mineral for both decorative and industrial use. The bright, deep colors along with its rarity and high hardness has made it an excellent...

Mineral Spotlight: Cinnabar

Daniel Blakemore

March 30, 2016

Filed under Science & Technology

Cinnabar has been mined for thousands of years as it is the main ore of mercury. Its name is derived from the Arabic word “Zinjafr,” meaning dragon's blood, appropriate given the mineral’s blood red color. Cinnabar historically has been ...