22211 - Superb Celestine Geode Madagascar - 530 g Heterodiadema libycum Comments: Plessitic octahedrite
Yard notes & kiln story
Description
Comments: Plessitic octahedrite
usually destroy many interesting bone rests
†Elosuchus sp
History: In 2016
Impressive example of this Cretaceous cephalopod
22211 - Superb Celestine Geode Madagascar - 530 g Heterodiadema libycum Comments: Plessitic octahedriteCelestine is a mineral consisting of strontium sulfate (SrSO4). The mineral is named for its occasional delicate blue color. Celestine and the carbonate mineral strontianite are the principal sources of the element strontium, commonly used in fireworksand in various metal alloys.