Tag Archive for: mineral

Perhaps your pet rock has a little more life than you thought.

smithsonianmag.com

At a Christmas party ten years ago, an idea was brewing in Robert Hazen’s mind. Hazen was a self-proclaimed “hard core” mineral physicist at the time, and like most scientists (and players of 20 Questions), he considered mineral to be a totally separate beast from animal and vegetable. But that was soon to change.

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Folded pegmatite vein in Farmington Canyon Complex gneiss, Pearsons Canyon, Box Elder County. Pearsons Canyon, Box Elder County, Utah Photographer: Adam McKean; © 2014

What’s the best kind of pet rock? —a “gneiss” one!

POTD 6-30-15 Farmington Canyon Gneiss Rock Mineral

Pearsons Canyon, Box Elder County, Utah
Photographer: Adam McKean; © 2014

Folded pegmatite vein in Farmington Canyon Complex gneiss, Pearsons Canyon, Box Elder County.

Banded white marble and quartz augen (eyeshaped crystals) in gray argillite, Notch Peak, Millard County. Photographer: Mark Milligan; © 2014

POTD 6-16-15 Notch Peak Mineral Rock Argillite

Notch Peak, Millard County, Utah
Photographer: Mark Milligan; © 2014

Banded white marble and quartz augen (eyeshaped crystals) in gray argillite, Notch Peak, Millard County.