Bicolor sputnik aragonite, medium Siderite possibly another shift in growing

possibly another shift in growing conditions causing a transition from hyalite to a different type of quartz

or as if the edge has been peeled up from the surface like a tutu

The crystal intersecting with the base of the point is also double-terminated

they appear to be some sort of encrustation pseudomorph as broken tips show they are hollow inside

This isn't your typically shiny quartz

Bicolor sputnik aragonite, medium Siderite possibly another shift in growingLocale: Morocco Approx dimensions: 3 x 2. 5" Approx weight: 288g 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 piece is half white and half red brown, with well formed crystals randomly arranged. One side of this piece has a clean break, which allows it to