Dypingite

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Dypingite
General
Category Carbonate minerals
Formula
(repeating unit)
Mg5(CO3)4(OH)2·5H2O
Strunz classification 5.DA.05
Dana classification 16b.07.02.01
Crystal system Monoclinic
Identification
Formula mass 485.65
Color White
Crystal habit Globular - spherical to rounded forms (e.g. wavellite)
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]