Dypingite
(repeating unit)Mg5(CO3)4(OH)2·5H2O Strunz classification 5.DA.05 Dana classification 16b.07.02.01 Crystal system Monoclinic
Unknown space group Identification Formula mass 485.65 g/mol 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]
Unknown space group
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.
References
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