Riomarinaite Mineral Data

Riomarinaite 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 Riomarinaite Information

Help on Chemical Formula: Chemical Formula: Bi(OH)SO4•H2O
Help on Composition: Composition: Molecular Weight = 345.49 gm
   Bismuth   61.70 %  Bi   68.78 % Bi2O3
   Hydrogen   0.77 %  H     6.88 % H2O
   Sulfur     9.75 %  S    24.33 % SO3
   Oxygen    27.79 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi1.02H2.64S1.05O6
Help on Environment: Environment: Occurs on weathered and corroded pyrite probably derived from the breakdown of primary bismuthinite and cosalite. Second natural bismuth sulfate.
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Falcacci mine, Rio Marina iron mine, Elba Island, Toscana (Tuscany), Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Synonym: Synonym: IMA2000-004
 

Search for Riomarinaite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Riomarinaite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4508:1:0.4863
Help on Cell Dimensions: Cell Dimensions: a = 6.0118, b = 13.3355, c = 6.4854, Z = 4; beta = 112.91° V = 478.92 Den(Calc)= 4.79
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.2598(1)(120 ), 3.335(0.42)(111,040 )5.453(0.42)(011 ),5.1152(0.37)(110 3.1127(0.36)(112 5.1926(0.32)(101 2.7239(0.22)(131 2.9151(0.22)(2
Click Here for Large Riomarinaite 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


Graunar M , Lazarini F , Acta Crystallographica, Section B , 38 (1982) p.2879-2881, Di-mu-hydroxo-bis[aquasulfatobismuth(III)], Locality: synthetic

 

Physical Properties of Riomarinaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light beige, Light gray.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light gray
 

Optical Properties of Riomarinaite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1628,KC= 0.1717
Ncalc = 1.82
Help on Optical Data: Optical Data: Biaxial (?), a=1.78
 

Calculated Properties of Riomarinaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.22 gm/cc
note: Specific Gravity of Riomarinaite =4.79 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0008660546
Boson Index = 0.9991339454
Help on Photoelectric: Photoelectric: PERiomarinaite =1,128.38 barns/electron
U=PERiomarinaite x rElectron Density=4,759.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Riomarinaite is Not Radioactive
 

Riomarinaite Classification
Help on Dana Class: Dana Class: 31.09.15.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.09)where (A+ B++) (XO4) Zq·x(H2O)
  (31.09.15)Dana Group
 
31.09.15.01 Riomarinaite! Bi(OH)SO4•H2O P 21/n 2/m
Help on Strunz Class: Strunz Class: 07.DF.75 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.75 Riomarinaite! Bi(OH)SO4•H2O P 21/n 2/m
 

Other Riomarinaite Information
Help on References: References: NAME( AmMin, v90, p1948) PHYS. PROP.(AmMin, v90, p1948) OPTIC PROP.(AmMin, v90, p1948)
Help on See Also: See Also: Links to other databases for Riomarinaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Riomarinaite using:

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

Visit our Advertisers for Riomarinaite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Riomarinaite Mineral Data :

Ask about Riomarinaite 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 Riomarinaite Specimen Label here :

Riomarinaite

Bi(OH)SO4•H2O
Dana No: 31.09.15.01 Strunz No: 07.DF.75
Locality:

 

Notes: