Dypingite

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Dypingite
RM1631-Dypingita-hidromagnesita-brucita-gualba.jpg
Dypingite (white rosettes) with other minerals, found in Spain
General
CategoryCarbonate minerals
Formula
(repeating unit)
Mg5(CO3)4(OH)2·5H2O
Strunz classification5.DA.05
Dana classification16b.07.02.01
Crystal systemMonoclinic
Unknown space group
Identification
Formula mass485.65 g/mol
ColorWhite
Crystal habitGlobular - spherical to rounded forms (e.g. wavellite)
TenacityBrittle
LusterPearly
StreakWhite to gray
DiaphaneitySemitransparent
Specific gravity2.15
Optical propertiesBiaxial (+)
Refractive indexnα = 1.508 nβ = 1.510 nγ = 1.516
Birefringenceδ = 0.0080
PleochroismColorless
Ultraviolet fluorescenceFluorescent and phosphorescent, Short UV=gray blue, Long UV=light blue
References[1][2][3]

Dypingite is a hydrated magnesium carbonate mineral with the formula: Mg5(CO3)4(OH)2·5H2O. Its type locality is the Dypingdal serpentine-magnesite deposit, Snarum, Norway.

References[edit]