Delvauxite
Delvauxite | |
---|---|
General | |
Category | Phosphate minerals |
Formula (repeating unit) | CaFe 4(PO 4,SO 4) 2(OH) 8•(4-6)H 2O |
IMA symbol | Dvx[1] |
Identification | |
Color | Yellow to brown to dark brown |
Delvauxite, also known as borickite, is a yellow to brown to dark brown amorphous mineral, sometimes forming a botryoidal mass.[2] Its chemical formula is CaFe
4(PO
4,SO
4)
2(OH)
8•(4-6)H
2O.[3] and it may sometimes form stalactites.
It was first described in 1838 by Belgian chemist, Dumont and dedicate to J.S.P.J. Delvaux de Fenffe (1782–1863).[2] It was found in Bernau, Liege, Belgium and Stredocesky, Czech Republic.[3]
References[]
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85: 291–320.
- ^ a b http://www.webmineral.com/data/Delvauxite.shtml Webmineral
- ^ a b http://rruff.geo.arizona.edu/doclib/hom/delvauxite.pdf Handbook of Mineralogy
Categories:
- Calcium minerals
- Iron minerals
- Phosphate minerals
- Phosphate mineral stubs