Dypingite Mineral Data

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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 % H₂O

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(H₂O)

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:

MonoclinicSpace Group: Unk.

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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:

PE_Dypingite= 0.75 barns/electron
U=PE_Dypingite x rElectron 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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Ask about Dypingite here :
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Mindat.org's Discussion Groups
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Rockhounds Discussion Group on Yahoo Groups
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Print or Cut-and-Paste your Dypingite Specimen Label here :

Dypingite

Mg5(CO3)4(OH)2•5(H2O)
Dana No: 16b.07.02.01 Strunz No: 05.DA.05
Locality:

Notes: