Arseniopleite Mineral Data

[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows

General Arseniopleite Information

Chemical Formula:

(Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3

Composition:

Molecular Weight = 737.72 gm

Sodium 3.74 % Na 5.04 % Na₂O

Calcium 3.80 % Ca 5.32 % CaO

Magnesium 3.29 % Mg 5.46 % MgO

Manganese 25.32 % Mn 32.69 % MnO

Iron 4.54 % Fe 5.84 % FeO

Arsenic 30.47 % As 46.73 % As₂O₅

Lead 2.81 % Pb 2.92 % Pb₂O

Oxygen 26.03 % O

______ ______

100.00 % 104.01 % = TOTAL OXIDE

Empirical Formula:

Ca_0.7Na_1.2Pb_0.1Mn²⁺_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

Arseniopleite Image

Images:

Arseniopleite

Comments: Massive, orange arseniopleite.
Location: Sjögruvan, Grythyttan, Örebro, Sweden. Scale: Not Given.
© Tom Loomis / Dakota Matrix

Arseniopleite Crystallography

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 - PrismaticH-M Symbol (2/m) Space Group: I2/a

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

By Intensity(I/I_o): 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),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Tait K T , Hawthorne F C , The Canadian Mineralogist , 41 (2003) p.71-77, Refinement of the crystal structure of arseniopleite: Confirmation of its status, as a valid species

Physical Properties of Arseniopleite

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

Optical Properties of Arseniopleite

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

Calculated Properties of Arseniopleite

Electron Density:

Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Arseniopleite =4.95 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Arseniopleite}= 76.32 barns/electron
U=PE_{Arseniopleite} x rElectron Density= 351.32 barns/cc.

Radioactivity:

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

Arseniopleite Classification

Dana Class:

38.02.02.02 (38)Anhydrous Phosphates, etc

(38.02)(A+ B++)5 (XO4)3

(38.02.02)Alluaudite-Wyllieite Group (Alluaudite Subgroup)

38.02.02.01 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m

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

08.A - Phosphates, etc. without additional anions, without H2O

08.AC -With medium-sized and large cations

08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m

08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m

08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m

08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

Other Arseniopleite Information

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Arseniopleite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Arseniopleite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Diamond Dan Publications

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Arseniopleite Mineral Data :

Ask about Arseniopleite 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 Español

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

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: