musgifs

MINDFULNESS IS NEXT TO GODLINESS.   -Anon I mus

Gif credit goes to George RedHawk

The Museum’s Guggenheim Hall of Minerals includes this touchable rock crystal quartz specimen, found in Hot Springs, Arkansas. On the Mohs Scale of Hardness, which measures the degree of resistance offered by a mineral’s surface to being scratched, quartz ranks 7 while soft talc has a value of 1 and diamond—among the hardest minerals—10.