Fiorite
Appearance
Fiorite | |
---|---|
General | |
Category | Mineraloid |
Formula (repeating unit) | SiO2·nH2O |
Identification | |
Crystal habit | Globular,botryoidal,orstalactic |
Fracture | Conchoidal |
Luster | Pearly |
Fioriteis ahydratedsilicamineraloid,a form ofopal,found incavitiesinvolcanictuff.It is a globular,botryoidal,orstalacticconcretionary form of opal. The mineraloid has a pearlylustreand forms botryoidal masses. Named afterSanta Fiora,Italy,fiorite is used as agemstone.[1]
See also
[edit]References
[edit]- ^Manutchehr-Danai, Mohsen (2000).Dictionary of Gems and Gemology.Springer-Verlag.p. 182.ISBN978-3540674825.