Preisingerite Mineral Data

[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974

General Preisingerite Information

Chemical Formula:

Bi3(AsO4)2O(OH)

Composition:

Molecular Weight = 937.79 gm

Bismuth 66.85 % Bi 74.53 % Bi₂O₃

Arsenic 15.98 % As 24.51 % As₂O₅

Hydrogen 0.11 % H 0.96 % H₂O

Oxygen 17.06 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Bi₃(AsO₄)₂O(OH)

IMA Status:

Approved IMA 1981

Locality:

Cerro Negro de la Aguadita, Caliugasta, and San Francisco de los Andes, San Juan, Argentina Link to MinDat.org Location Data.

Name Origin:

Named for Anton Preisinger (1925-), Mineralogist, University of Technology, Vienna.

Name Pronunciation:

Preisingerite + Pronunciation

Synonym:

ICSD 31179

PDF 35-543

Preisingerite Image

Images:

Preisingerite

Comments: Olive-greenish crystals of preisingerite on quartz.
Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Preisingerite Crystallography

Axial Ratios:

a:b:c =1.3496:1:0.9369

Cell Dimensions:

a = 9.993, b = 7.404, c = 6.937, Z = 2; alpha = 87.82°, beta = 115.01°, gamma = 111.07° V = 433.72 Den(Calc)= 7.18

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 3.28(1), 3.263(0.97), 3.194(0.87),

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

Bedlivy D , Mereiter K , American Mineralogist , 67 (1982) p.833-840, Preisingerite, Bi3O(OH)(AsO4)2, a new species from San Juan Province, Argentina:, Its description and crystal structure

Physical Properties of Preisingerite

Cleavage:

None

Color:

Gray white, Yellow gray.

Density:

7.24

Diaphaneity:

Translucent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Hardness:

3-4 - Calcite-Fluorite

Luster:

Subadamantine

Streak:

white

Optical Properties of Preisingerite

Gladstone-Dale:

CI meas= -0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1605,KPDmeas= 0.1605,KC= 0.157
Ncalc = 2.14

Optical Data:

Biaxial (?), a=2.13, b=2.16, g=2.195, bire=0.0650, 2V(Calc)=88, 2V(Meas)=90.

Calculated Properties of Preisingerite

Electron Density:

Bulk Density (Electron Density)=6.11 gm/cc
note: Specific Gravity of Preisingerite =7.24 gm/cc.

Fermion Index:

Fermion Index = 0.0000827217
Boson Index = 0.9999172783

Photoelectric:

PE_{Preisingerite}=1,286.16 barns/electron
U=PE_{Preisingerite} x rElectron Density=7,864.22 barns/cc.

Radioactivity:

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

Preisingerite Classification

Dana Class:

41.10.09.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.10)where (A++ B++)3 (XO4)2 Zq

(41.10.09)Preisingerite Group

41.10.09.01 Preisingerite Bi3(AsO4)2O(OH) P1 1

41.10.09.02 Schumacherite Bi3[(V,As,P)O4]2O(OH) P1 1

Strunz Class:

08.BO.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BO -With only large cations, (OH, etc.):RO4 ³ 1:1

08.BO.10 Preisingerite Bi3(AsO4)2O(OH) P1 1

08.BO.10 Petitjeanite Bi3(PO4)2O(OH) P1 1

08.BO.10 Schumacherite Bi3[(V,As,P)O4]2O(OH) P1 1

Other Preisingerite Information

References:

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

See Also:

Links to other databases for Preisingerite :
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
15 - WWW-MINCRYST

Search for Preisingerite using:

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

Visit our Advertisers for Preisingerite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Preisingerite Mineral Data :

Ask about Preisingerite 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 Preisingerite Specimen Label here :

Preisingerite

Bi3(AsO4)2O(OH)
Dana No: 41.10.09.01 Strunz No: 08.BO.10
Locality:

Notes: