Quartz and calcite cluster Siderite whereas abrasion results from improper

whereas abrasion results from improper storage (when pieces can knock or rub against each other)

25 x 5 x 2

producing gemmy cubic crystals with Jolly-Rancher colors and strong UV reactivity

Cubaris "Panda King" is an adorable isopod with dark gray and white bands just like a panda bear

Quartz and calcite cluster Siderite whereas abrasion results from improperLocale: 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