6-17 weight % moganite in chalcedony in coralites and agate.
Quality of samples:
not specified / average specimens
Confirmation
Validity:
Believed Valid
References
References:
Janakieva, Zh., Ch. Nachev, D. Yordanova. Finds of Moganite in Bulgaria.Poster.ІІІ International Symposium “Mineral diversity -Research and preservation” 7-10 October, 2005, Sofia.