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This specimen has especially distinct edges
The name 'feldspar' actually historically originates from people observing flashes off cleaved pieces of the mineral in their fields: 'feld-' is 'field' while 'spar' was a term for rocks that easily broke along flat planes (cleaved) and had a shiny luster
Broken or polished pieces can have lovely colors similar to low-quality petrified wood or jasper
Approx size each coaster has a diameter of 3 2/3" and is 1/3" thick
Approx weight: 15–100g
Bicolor sputnik aragonite, large Blue aragonite This specimen has especially distinctLocale: 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
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