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Arseniopleite Mineral Data
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General Arseniopleite Information
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 Chemical Formula: |
(Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3 |
| Composition: |
Molecular Weight = 737.72 gm |
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Sodium 3.74 % Na 5.04 % Na2O |
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Calcium 3.80 % Ca 5.32 % CaO |
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Magnesium 3.29 % Mg 5.46 % MgO |
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Manganese 25.32 % Mn 32.69 % MnO |
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Iron 4.54 % Fe 5.84 % FeO |
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Arsenic 30.47 % As 46.73 % As2O5 |
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Lead 2.81 % Pb 2.92 % Pb2O |
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Oxygen 26.03 % O |
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______ ______ |
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100.00 % 104.01 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.7Na1.2Pb0.1Mn2+3.4MgFe2+0.6(AsO4)3 |
| Environment: |
Mn-rich member of a series with caryinite. Revalidated 2003. |
| IMA Status: |
Valid Species (Pre-IMA) 1888 |
| Locality: |
Sjo Mine, Grythytte Parish, Orebro, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Latin for the element As, and Greek for 'more' because it adds to the number of related minerals already described. |
| Name Pronunciation: |
Arseniopleite + Pronunciation  |
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Arseniopleite Image |
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Images:
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Arseniopleite Crystallography
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| Axial Ratios: |
a:b:c =0.5225:1:0.8687 |
| Cell Dimensions: |
a = 6.8113, b = 13.0358, c = 11.3245, Z = 4; beta = 100.25° V = 989.46 Den(Calc)= 4.95 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: I2/a |
| X Ray Diffraction: |
By Intensity(I/Io): 2.83(1), 2.68(0.6), 1.693(0.5),2.99(0.5), 2.79(0.4), 3.27(0.4), 4.13(0.4), 6.52(0.4), |
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Physical Properties of Arseniopleite
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| Cleavage: |
{???} Good |
| Color: |
Cherry, Reddish brown. |
| Density: |
4.22 - 4.29, Average = 4.25 |
| Diaphaneity: |
Opaque |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Greasy (Oily) |
| Streak: |
yellowish brown |
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Optical Properties of Arseniopleite
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| Optical Data: |
NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.1828) where Ncalc=Dcalc*KC+1
NCalc= 1.78 - from Gladstone-Dale relationship (KC = 0.1828) where Ncalc=Dmeas*KC+1
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Calculated Properties of Arseniopleite
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| Electron Density: |
Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Arseniopleite =4.95 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEArseniopleite = 76.32 barns/electron
U=PEArseniopleite x rElectron Density= 351.32 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arseniopleite is Not Radioactive |
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Arseniopleite Classification
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| Dana Class: |
38.02.02.02 (38)Anhydrous Phosphates, etc |
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(38.02)(A+ B++)5 (XO4)3 |
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(38.02.02)Alluaudite-Wyllieite Group (Alluaudite Subgroup) |
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38.02.02.01 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m |
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38.02.02.02 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m |
| Strunz Class: |
08.AC.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AC -With medium-sized and large cations |
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08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m |
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08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m |
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08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 21/a 2/m |
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08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m |
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08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 21/a 2/m |
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08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m |
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08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m |
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08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m |
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08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 21/a 2/m |
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08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m |
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08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m |
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08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m |
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08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m |
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08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m |
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Other Arseniopleite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8, CanMin, v 41, p 72) |
| See Also: |
Links to other databases for Arseniopleite :
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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Arseniopleite
(Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3
Dana No: 38.02.02.02 Strunz No: 08.AC.10
Locality:
Notes:
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