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 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] |
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.