Dypingite Mineral Data
General Dypingite Information
Chemical Formula:
Mg5(CO3)4(OH)2•5(H2O)
Composition:
Molecular Weight = 485.65 gm
Magnesium 25.02 % Mg 41.50 % MgO
Hydrogen 2.49 % H 22.26 % H2 O
Carbon 9.89 % C 36.25 % CO2
Oxygen 62.59 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Mg5 (CO3 )4 (OH)2 •5(H2 O)
Environment:
Alteration product in serpentines.
IMA Status:
Approved IMA 1970
Locality:
Dypingdal serpentine-magnesite deposit, Snarum, Norway. Link to MinDat.org Location Data.
Name Origin:
Named after the locality.
Name Pronunciation:
Dypingite + Pronunciation
Dypingite Image
Images:
Dypingite
Comments: White spherical aggregates of dypingite on matrix.
Location: Jeremias Glück Mine (Fairy Grotto), Garnsdorf, Saalfeld, Thuringia, Germany.
Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag
Dypingite Crystallography
Axial Ratios:
a:b:c =0.6848:1:0.397
Cell Dimensions:
a = 16.3, b = 23.8, c = 9.45, Z = 8; beta = 90° V = 3,666.03 Den(Calc)= 1.76
Crystal System:
Monoclinic Space Group: Unk.
X Ray Diffraction:
By Intensity(I/Io ): 10.6(1), 5.86(0.9), 6.34(0.6),
Physical Properties of Dypingite
Color:
White.
Density:
2.15
Habit:
Aggregates - Made of numerous individual crystals or clusters.
Habit:
Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Luminescence:
Fluorescent and phosphorescent, Short UV=gray blue, Long UV=light blue.
Luster:
Pearly
Streak:
white
Optical Properties of Dypingite
Gladstone-Dale:
CI meas = -0.011 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = -0.236 (Poor) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2905,KPDmeas = 0.2378,KC = 0.2351 Ncalc = 1.41 - 1.51
Optical Data:
Biaxial (+), a=1.508, b=1.51, g=1.516, bire=0.0080
Pleochroism (x):
colorless.
Pleochroism (y):
colorless.
Pleochroism (z):
colorless.
Calculated Properties of Dypingite
Electron Density:
Bulk Density (Electron Density)=2.20 gm/cc note: Specific Gravity of Dypingite =2.15 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PEDypingite = 0.75 barns/electronU=PEDypingite x r Electron Density= 1.65 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Dypingite is Not Radioactive
Dypingite Classification
Dana Class:
16b.07.02.01 (16b) Carbonates - Hydroxyl or Halogen
(16b.07) Dana Type
(16b.07.02) Dana Group
16b.07.02.01 Dypingite Mg5(CO3)4(OH)2•5(H2O) Unk. Mono
16b.07.02.02 Giorgiosite Mg5(CO3)4(OH)2•5(H2O) ? Mono
Strunz Class:
05.DA.05 05 - CARBONATES (NITRATES)
05.D - Carbonates with Additional Anions, with H2O
05.DA -With medium-sized cations
05.DA.05 Dypingite Mg5(CO3)4(OH)2•5(H2O) Unk. Mono
05.DA.05 Giorgiosite Mg5(CO3)4(OH)2•5(H2O) ? Mono
05.DA.05 Hydromagnesite Mg5(CO3)4(OH)2•4(H2O) P 21 /c 2/m
05.DA.05 Widgiemoolthalite (Ni,Mg)5(CO3)4(OH)2•4-5(H2O) P 21 /c 2/m
Other Dypingite Information
References:
NAME( Dana8) PHYS. PROP.(Dana;Collectors Book of Fluorescent Minerals) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Dypingite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
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Dypingite
Mg5(CO3)4(OH)2•5(H2O)
Dana No: 16b.07.02.01 Strunz No: 05.DA.05
Locality:
Notes:
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