22199 - Beautiful Yellow Green Apatite Crystal - Imilchil (Morocco) Rare Individual masses are known to
Yard notes & kiln story
Description
Individual masses are known to range from <1 g to >20 kg
Sepkoski 2002 and Whittington 1956
Family Mosasauridae
Nice Collection of 2 Agatized & Polished Cleoniceras sp Lower Cretaceous Ammonite Madagascar
Meteoritical Bulletin Database:
22199 - Beautiful Yellow Green Apatite Crystal - Imilchil (Morocco) Rare Individual masses are known toApatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH, F and Cl ions, respectively, in the crystal. The formula of the admixture of the three most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2.