Mineralogy Database

Rynersonite Mineral Data

Search Webmineral :
  
Advertisment

General Rynersonite Information

Help on Chemical  Formula: Chemical Formula: Ca(Ta,Nb)2O6
Help on Composition: Composition: Molecular Weight = 453.95 gm
   Calcium    8.83 %  Ca   12.35 % CaO
   Tantalum  59.79 %  Ta   73.01 % Ta2O5
   Niobium   10.23 %  Nb   14.64 % Nb2O5
   Oxygen    21.15 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaTa1.5Nb0.5O6
Help on Environment: Environment: Alteration product of earlier Nb-Ta minerals in some granite pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: San Diego mine, Mesa Grande, San Diego Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frederick James Rynerson (1882-1960), and his two sons, Buel Frederick Rynerson (1905- ) and Eugene Bonfoey Rynerson (1910- ), long-time pegmatite miners in San Diego Co., California, USA.
Help on Name Pronunciation: Name Pronunciation: Rynersonite + Pronunciation Say RYNERSONITE
Help on Synonym: Synonym: ICSD 24091
  PDF 39-1430
 

Rynersonite Image

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

  Rynersonite

Comments: Off-white fibrous rynersonite.
Location: Brown Derby No. 1 Mine, Gunnison County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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

  Schiavinatoite   Rynersonite

Comments: Brown, columnar schiavinatoite with minor white rynersonite sticks on quartz.
Location: Ampanodiana Sud, Tetezantsio, Mahaiza, Antananarivo, Madagascar. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Rynersonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6783:1:0.4854
Help on Cell Dimensions: Cell Dimensions: a = 7.505, b = 11.063, c = 5.37, Z = 4; V = 445.86 Den(Calc)= 6.76
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.038(1), 2.964(0.91), 4.835(0.91),
 

Physical Properties of Rynersonite

Help on Cleavage: Cleavage: None
Help on Color: Color: Beige white, Pink.
Help on Density: Density: 6.402
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: white
 

Optical Properties of Rynersonite

Help on Optical Data: Optical Data: NCalc= 2.19 - from Gladstone-Dale relationship (KC = 0.1754) where Ncalc=Dcalc*KC+1
NCalc= 2.12 - from Gladstone-Dale relationship (KC = 0.1754) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Rynersonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.90 gm/cc
note: Specific Gravity of Rynersonite =6.76 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002924427
Boson Index = 0.9997075573
Help on Photoelectric: Photoelectric: PERynersonite = 723.64 barns/electron
U=PERynersonite x rElectron Density=4,267.32 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rynersonite is Not Radioactive
 

Rynersonite Classification

Help on  Dana Class: Dana Class: 08.03.07.02 (08)Multiple Oxides with Nb, Ta, and Ti
  (08.03)where A (B2O6)
  (08.03.07)Dana Group
 
08.03.07.01 Vigezzite (Ca,Ce)(Nb,Ta,Ti)2O6 Pmnb 2/m 2/m 2/m
 
08.03.07.02 Rynersonite Ca(Ta,Nb)2O6 Pmnb 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.DF.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DF -With large (� medium-sized) cations; dimers and trimers of edge-sharing octahedra
 
04.DF.05 Aeschynite-(Ce) (Ce,Ca,Fe)(Ti,Nb)2(O,OH)6 Pmnb 2/m 2/m 2/m
 
04.DF.05 Aeschynite-(Nd) (Nd,Ce)(Ti,Nb)2(O,OH)6 Pmnb ? 2/m 2/m 2/m
 
04.DF.05 Aeschynite-(Y) (Y,Ca,Fe)(Ti,Nb)2(O,OH)6 Pbnm 2/m 2/m 2/m
 
04.DF.05 Nioboaeschynite-(Ce) (Ce,Ca)(Nb,Ti)2(O,OH)6 Pbnm 2/m 2/m 2/m
 
04.DF.05 Nioboaeschynite-(Nd)! (Nd,Ce)(Nb,Ti)2(O,OH)6 Pbnm 2/m 2/m 2/m
 
04.DF.05 Rynersonite Ca(Ta,Nb)2O6 Pmnb 2/m 2/m 2/m
 
04.DF.05 Tantalaeschynite-(Y) (Y,Ce,Ca)(Ta,Ti,Nb)2O6 Pbnm 2/m 2/m 2/m
 
04.DF.05 Vigezzite (Ca,Ce)(Nb,Ta,Ti)2O6 Pmnb 2/m 2/m 2/m
 
04.DF.05 Nioboaeschynite-(Y)! [(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6 Pbnm 2/m 2/m 2/m
 

Other Rynersonite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Rynersonite :
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 Rynersonite using:

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

Visit our Advertisers for Rynersonite :

Ask about Rynersonite 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 Rynersonite Specimen Label here :

Rynersonite

Ca(Ta,Nb)2O6
Dana No: 08.03.07.02 Strunz No: 04.DF.05
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.