Nanlingite Mineral Data

General Nanlingite Information

Chemical Formula:

CaMg4(AsO3)2F4

Composition:

Molecular Weight = 459.13 gm

Calcium 8.73 % Ca 12.21 % CaO

Magnesium 21.17 % Mg 35.11 % MgO

Arsenic 32.64 % As 43.09 % As₂O₃

Oxygen 20.91 % O

Fluorine 16.55 % F 16.55 % F

- % F -6.97 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaMg₄(AsO₃)₂F₄

Environment:

In a contact zone between granite and dolomite.

IMA Status:

Approved IMA 1976

Locality:

Nanling area, southern China. Link to MinDat.org Location Data.

Name Origin:

Named after the locality.

Name Pronunciation:

Nanlingite + Pronunciation

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Nanlingite Crystallography

Axial Ratios:

a:c = 1:2.51562

Cell Dimensions:

a = 10.24, c = 25.76, Z = 12; V = 2,339.25 Den(Calc)= 3.91

Crystal System:

TrigonalSpace Group: R 3m, R 3m

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

By Intensity(I/I_o): 2.78(1), 8.35(0.9), 1.73(0.8),

Physical Properties of Nanlingite

Color:

Brown red, Dark brown.

Density:

3.927

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Streak:

pale yellow

Optical Properties of Nanlingite

Optical Data:

Uniaxial (-), e=1.78, w=1.82, bire=0.0400.

Calculated Properties of Nanlingite

Electron Density:

Bulk Density (Electron Density)=3.71 gm/cc
note: Specific Gravity of Nanlingite =3.91 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Nanlingite= 23.91 barns/electron
U=PE_Nanlingite x rElectron Density= 88.76 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nanlingite is Not Radioactive

Nanlingite Classification

Dana Class:

46.01.02.01 (46)Basic or Halogen-Containing Antimonites, Arsenites and Phosphites

(46.01)where (A B)m (XO3)p Zq

(46.01.02)Dana Group

46.01.02.01 Nanlingite CaMg4(AsO3)2F4 R 3m, R 3m Trig

Strunz Class:

04.JB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.J - Arsenites, Antimonites, Bismuthites, Sulfites,

04.JB -Arsenites, antimonites, bismuthites; with additional anions, without H2O

04.JB.25 Nanlingite CaMg4(AsO3)2F4 R 3m, R 3m Trig

Other Nanlingite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Nanlingite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Nanlingite Specimen Label here :

Nanlingite

CaMg4(AsO3)2F4
Dana No: 46.01.02.01 Strunz No: 04.JB.25
Locality:

Notes: