Parahopeite Mineral Data

Parahopeite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Wrights Rock Shop

[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

Mineral of the Month Club

General Parahopeite Information

Help on Chemical Formula: Chemical Formula: Zn3(PO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 458.17 gm
   Zinc        42.82 %  Zn   53.29 % ZnO
   Phosphorus  13.52 %  P    30.98 % P2O5
   Hydrogen     1.76 %  H    15.73 % H2O
   Oxygen      41.90 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn3(PO4)2•4(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1908
Help on Locality: Locality: Kabwe (Broken Hill), Central province, Zambia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for it's dimorphic relationship to hopeite.
Help on Name Pronunciation: Name Pronunciation: Parahopeite + Pronunciation Say PARAHOPEITE
Help on Synonym: Synonym: ICSD 16979
  PDF 39-1352
 

Parahopeite Image

Click Here for Larger Parahopeite Image in a New Browser Window Images:
Click Here for Larger Parahopeite Image

Parahopeite

Comments: Transparent, prismatic parahopeite crystals with keckite.
Location: Hagendorf, Bavaria, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Parahopeite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7625:1:0.6993
Help on Cell Dimensions: Cell Dimensions: a = 5.755, b = 7.547, c = 5.278, Z = 1; alpha = 93.35°, beta = 91.18°, gamma = 91.42° V = 228.73 Den(Calc)= 3.33
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.56(1), 2.99(0.9), 4.48(0.7),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 1 1 1) ( 0 1 1) ( 0 1 0) ( 3 2 2) ( 1 1 1) ( 1 1 0) ( 0 1 1) ( 1 0 0) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Parahopeite Structure Window 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


Chao G Y , Zeitschrift fur Kristallographie , 130 (1969) p.261-266, Refinement of the crystal structure of parahopeite

 

Physical Properties of Parahopeite

Help on Cleavage: Cleavage: {???} Distinct
Help on Color: Color: Colorless.
Help on Density: Density: 3.3
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Pearly
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Parahopeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1878,KPDmeas= 0.1895,KC= 0.1944
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Biaxial (+), a=1.614, b=1.625, g=1.637, bire=0.0230
 

Calculated Properties of Parahopeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.23 gm/cc
note: Specific Gravity of Parahopeite =3.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEParahopeite = 21.64 barns/electron
U=PEParahopeite x rElectron Density= 69.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Parahopeite is Not Radioactive
 

Parahopeite Classification
Help on Dana Class: Dana Class: 40.03.03.01 (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 · x(H2O)
  (40.03.03)Dana Group
 
40.03.03.01 Parahopeite Zn3(PO4)2•4(H2O) P1 1
Help on Strunz Class: Strunz Class: 08.CA.70 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CA -With small and large/medium cations
 
08.CA.70 Parahopeite Zn3(PO4)2•4(H2O) P1 1
 

Other Parahopeite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Parahopeite :
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
15 - WWW-MINCRYST

Search for Parahopeite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Parahopeite :

B and L Fine Minerals
Dakota Matrix Minerals
Dan & Diana Weinrich Mineral Auctions
Excalibur Mineral Corp.
Exceptional Minerals
John Betts Fine Minerals
Mineral News
Mineral of the Month Club
NY/NJ Gem & Mineral Show
TIMA Mineral Analyzer
Weinrich Minerals, Inc.
Wright's Rock Shop

Ask about Parahopeite 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 Parahopeite Specimen Label here :

Parahopeite

Zn3(PO4)2•4(H2O)
Dana No: 40.03.03.01 Strunz No: 08.CA.70
Locality:

 

Notes: