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. Synthethic dypingite is known as heavy magnesium carbonate.

Dypingite
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]

References

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