Peretaite Mineral Data

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



[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 Peretaite Information

Help on Chemical Formula: Chemical Formula: CaSb+++4O4(OH)2(SO4)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 853.25 gm
   Calcium    4.70 %  Ca    6.57 % CaO
   Antimony  57.08 %  Sb   68.33 % Sb2O3
   Hydrogen   0.71 %  H     6.33 % H2O
   Sulfur     7.52 %  S    18.77 % SO3
   Oxygen    30.00 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaSb4O4(OH)2(SO4)2•2(H2O)
Help on Environment: Environment: Secondary mineral in vugs in an antimony-bearing vein in silicified limestone.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Pereta, Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Peretaite + Pronunciation Say PERETAITE
Help on Synonym: Synonym: ICSD 100339
  PDF 33-264
 

Peretaite Image

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

Peretaite

Comments: Clear, tabular, bladed, stellate spray of transparent peretaite crystals.
Location: Pereta mine, Scansano, Tuscany, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Peretaite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =4.4017:1:1.8185
Help on Cell Dimensions: Cell Dimensions: a = 24.641, b = 5.598, c = 10.18, Z = 4; beta = 95.95° V = 1,396.67 Den(Calc)= 4.06
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.19(1), 3.06(0.67), 2.451(0.31),
Click Here for Large Peretaite 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


Menchetti S , Sabelli C , American Mineralogist , 65 (1980) p.940-946, Peretaite, CaSb4O4(OH)2(SO4)2*2H2O: Its atomic arrangement and twinning

 

Physical Properties of Peretaite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 4.06
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Peretaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2071,KPDmeas= 0.2071,KC= 0.2073
Ncalc = 1.84
Help on Optical Data: Optical Data: Biaxial (+), b=1.841
 

Calculated Properties of Peretaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.71 gm/cc
note: Specific Gravity of Peretaite =4.06 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0007721997
Boson Index = 0.9992278003
Help on Photoelectric: Photoelectric: PEPeretaite = 184.76 barns/electron
U=PEPeretaite x rElectron Density= 685.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Peretaite is Not Radioactive
 

Peretaite Classification
Help on Dana Class: Dana Class: 31.06.04.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.06)where (A+ B++)5 (XO4)2 Zq·x(H2O)
  (31.06.04)Dana Group
 
31.06.04.01 Peretaite CaSb4O4(OH)2(SO4)2•2(H2O) C 2/c 2/m
Help on Strunz Class: Strunz Class: 07.DF.45 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.45 Peretaite CaSb4O4(OH)2(SO4)2•2(H2O) C 2/c 2/m
 

Other Peretaite 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 Peretaite :
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 Peretaite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Peretaite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Peretaite Mineral Data :

Ask about Peretaite 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 Peretaite Specimen Label here :

Peretaite

CaSb+++4O4(OH)2(SO4)2•2(H2O)
Dana No: 31.06.04.01 Strunz No: 07.DF.45
Locality:

 

Notes: