Dypingite

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Dypingite
General
Category Carbonate mineral
Formula
(repeating unit)
Mg5(CO3)4(OH)2·5H2O
Strunz classification 05.DA.05
Dana classification 16b.07.02.01
Identification
Formula mass 485.65
Color White
Crystal habit Globular - spherical to rounded forms (e.g. wavellite)
Crystal system Monoclinic
Tenacity Brittle
Luster Pearly
Streak White to gray
Diaphaneity Semitransparent
Specific gravity 2.15
Optical properties Biaxial (+)
Refractive index nα = 1.508 nβ = 1.510 nγ = 1.516
Birefringence δ = 0.0080
Pleochroism Colorless
Ultraviolet fluorescence Fluorescent 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]