| |
 |
Chloromagnesite Mineral Data
|
|
|
General Chloromagnesite Information
|
 Chemical Formula: |
MgCl2 |
| Composition: |
Molecular Weight = 95.21 gm |
| |
Magnesium 25.53 % Mg 42.33 % MgO |
| |
Chlorine 74.47 % Cl 74.47 % Cl |
| |
- %
Cl -16.80 % -O=Cl2 |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
MgCl2 |
| Environment: |
Sublimate in fumaroles. Highly deliquescent. |
| IMA Status: |
Not Approved IMA |
| Locality: |
Vesuvius, Campania, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1873 for it's composition. |
| Synonym: |
ICSD 261571 |
| |
PDF 37-774 |
| |
Chloromagnesite Crystallography
|
| Axial Ratios: |
a:c = 1:4.8995 |
| Cell Dimensions: |
a = 3.632, c = 17.795, Z = 3; V = 203.29 Den(Calc)= 2.33 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 5.89(1), 2.94(0.5), 2.57(0.1),1.145(0.1), 1.178(0.1), 1.474(0.1), 1.485(0.1), 1.809(0.1), |
| |
Physical Properties of Chloromagnesite
|
| Color: |
Colorless, White. |
| Density: |
2.325 |
| Diaphaneity: |
Transparent to Translucent |
| Habit: |
Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate. |
| Habit: |
Tastes Bitter - Bitter taste from water soluble Mg or Ca compounds. |
| Streak: |
white |
| |
Optical Properties of Chloromagnesite
|
| Optical Data: |
Uniaxial (-), e=1.59, w=1.675, bire=0.0850. |
| |
Calculated Properties of Chloromagnesite
|
| Electron Density: |
Bulk Density (Electron Density)=2.25 gm/cc
note: Specific Gravity of Chloromagnesite =2.33 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEChloromagnesite = 5.47 barns/electron
U=PEChloromagnesite x rElectron Density= 12.31 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloromagnesite is Not Radioactive |
| |
Chloromagnesite Classification
|
| Dana Class: |
09.02.03.03 (09)Anhydrous and Hydrated Halides |
| |
(09.02)where A (X)2 |
| |
(09.02.03)Dana Group |
| |
09.02.03.01 Lawrencite (Fe,Ni)Cl2 R 3m 3 2/m |
| |
09.02.03.02 Scacchite MnCl2 R 3m 3 2/m |
| |
09.02.03.03 Chloromagnesite* MgCl2 R 3m 3 2/m |
| Strunz Class: |
03.AB.20 03 - HALIDES |
| |
03.A - Simple Halides, Without H2O |
| |
03.AB -M:X = 1:2 |
| |
03.AB.20 Chloromagnesite* MgCl2 R 3m 3 2/m |
| |
03.AB.20 Lawrencite (Fe,Ni)Cl2 R 3m 3 2/m |
| |
03.AB.20 Scacchite MnCl2 R 3m 3 2/m |
| |
Other Chloromagnesite Information
|
| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
| See Also: |
Links to other databases for Chloromagnesite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST
Search for Chloromagnesite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Chloromagnesite :
Ask about Chloromagnesite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espaņol
Print or Cut-and-Paste your Chloromagnesite Specimen Label here :
|
Chloromagnesite
MgCl2
Dana No: 09.02.03.03 Strunz No: 03.AB.20
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.