(synthetic). a = 8.692–8.702 c = 82.413–82.443 X-ray Powder Pattern: Castellana Cave, Italy. 13.83 (100)...Total [100.00] 100.00 (1) Castellana Cave, Italy; average of two analyses totaling 99.64% and 99.42%, recalculated...(Castellana Cave, Italy); in soils developed on granite debris and bat guano mixtures, by reaction of phosphate-rich...(Castellana Cave, Italy); taranakite, hydroxylapatite, brushite (Little Swallow Cave, Italy); alunite, aragonite...Distribution: In Italy, in Puglia, from the Castellana Cave, about 40 km southeast of Bari, and in the Little |