Bicolor sputnik aragonite, large Moss agate and I did detect faint

and I did detect faint phosphorescence for several seconds after exposure to 365nm UV light

These specimens from the Tatatila region of Mexico are commonly accompanied smoky quartz

I was convinced mine were all dead for several months until I looked in a hole in the side of their cork and saw one staring back at me

Pyrite often grows along with chalcopyrite

Locality: Northern Morocco

Bicolor sputnik aragonite, large Moss agate and I did detect faintLocale: 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