Quartz and calcite cluster Sputnik aragonite Approx dimensions: 3

Approx dimensions: 3

They commonly appear as distinct circles with banding as in the case of leopardskin jasper

'Pseudo-hexagonal' means the crystals that appear hexagonal are actually formed through crystal twinning

providing a window inside

Quartz and calcite cluster Sputnik aragonite Approx dimensions: 3Locale: Potos Mine, Santa Eulalia, Chihuahua, Mexico Approx dimensions: 5 x 3 x 1. 5" Approx weight: 420g This quartz and calcite specimen from the Potos Mine is one of my favorites I've seen from this locale. There are two large calcite rhombs and a spherical formation covered in quartz tinted brown yellow with iron. On top are pellet like calcites that look like brown rice. Where better formed, they are small dogtooth calcite points. Quartz points