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Description

Bicolor sputnik aragonite, largeLocale: Morocco Approx dimensions: 4 x 2" Approx weight: 382g This variety of aragonite clusters earns its trade name from the resemblance to the Sputnik satellite, with crystals protruding out in all directions. The bicolor variety grows crystals that are red brown and a grayish white color. This lumpy ass piece looks a bit phallic from the wrong angle (I deleted a few photos ), composed of multiple spherical lumps with a pair at the base and two

Turns out it's hollow like a geode and the holes on the front and back connect

Broken ends reveal the first generation of growth was an icy clear colorless quartz

The glossy schorl has the classic trigonal 'Mercedes' termination characteristic of Erongo material

The orange-red coloration of this material is caused by oxidized iron

Locale: Atlas Mountains

This one is especially complex and appears to involve three different minerals

Approx weight: 9 lbs 12

I detected weak to moderate phosphorescence that lingers several seconds (5+ secs) after exposure to 365nm

It grows sculptural angular points with nice striations like this triangular piece

121g L 2

and are among the earliest forms of life—and fossils—on our Earth

Locale: Arizona