Nobleite Mineral Data

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


B and L Minerals
[Current Minerals] [Order Status] [Policies] [e-Bay Items]
B & L Minerals, Fine Mineral specimens for sale for collectors of all levels


General Nobleite Information

Help on Chemical Formula: Chemical Formula: CaB6O9(OH)2•3(H2O)
Help on Composition: Composition: Molecular Weight = 336.99 gm
   Calcium   11.89 %  Ca   16.64 % CaO
   Boron     19.25 %  B    61.98 % B2O3
   Hydrogen   2.39 %  H    21.38 % H2O
   Oxygen    66.47 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaB6O9(OH)2•3(H2O)
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Corkscrew mine, Corkscrew Canyon, Death Valley, Inyo Co. California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Levi F. Noble ( ), Geologist, USGS for his contributions to the geology of the Death Valley region.
Help on Name Pronunciation: Name Pronunciation: Nobleite Say NOBLEITE
 

Nobleite Image

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

Nobleite

Comments: Platy nobleite microcrystals on colemanite.
Location: Corkscrew Mine, Corkscrew Canyon, Death Valley, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nobleite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.8163:1:1.2272
Help on Cell Dimensions: Cell Dimensions: a = 14.56, b = 8.016, c = 9.838, Z = 4; beta = 111.8° V = 1,066.11 Den(Calc)= 2.10
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.79(1), 3.39(0.31), 5.18(0.09),
Click Here for Large Nobleite 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


Karanovic L , Rosic A , Poleti D , European Journal of Mineralogy , 16 (2004) p.825-833, Crystal structure of nobleite, Ca[B6O9(OH)2]*3H2O, from Jarandol (Serbia), Note: Ca analogue of tunellite, Locality: Kopaonik Mt, central Serbia

 

Physical Properties of Nobleite

Help on Cleavage: Cleavage: {100} Perfect, {001} Indistinct
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.09
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Nobleite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.042 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.037 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2498,KPDmeas= 0.251,KC= 0.2409
Ncalc = 1.5 - 1.51
Help on Optical Data: Optical Data: Biaxial (+), a=1.5, b=1.52, g=1.554, bire=0.0540, 2V(Calc)=78, 2V(Meas)=76.
 

Calculated Properties of Nobleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.12 gm/cc
note: Specific Gravity of Nobleite =2.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PENobleite = 1.73 barns/electron
U=PENobleite x rElectron Density= 3.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nobleite is Not Radioactive
 

Nobleite Classification
Help on Dana Class: Dana Class: 26.06.06.01 (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.06)Dana Type
  (26.06.06)Dana Group
 
26.06.06.01 Nobleite CaB6O9(OH)2•3(H2O) P 21/a 2/m
 
26.06.06.02 Tunellite SrB6O9(OH)2•3(H2O) P 21/a 2/m
Help on Strunz Class: Strunz Class: 06.FC.05 06 - BORATES
  06.F - Hexaborates
  06.FC -Phyllo-hexaborates
 
06.FC.05 Balavinskite? Sr2B6O11•4(H2O) Mono ? Mono
 
06.FC.05 Nobleite CaB6O9(OH)2•3(H2O) P 21/a 2/m
 
06.FC.05 Tunellite SrB6O9(OH)2•3(H2O) P 21/a 2/m
 

Other Nobleite Information
Help on References: References: NAME( MinRec) 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 Nobleite :
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 - MinDAT
9 - MinMax(Deutsch)
10 - MinMax(English)
11 - Mineralienatlas (Deutsch)
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

Search for Nobleite using:

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

Visit our Advertisers for Nobleite :

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 Nobleite Mineral Data :

Ask about Nobleite 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 Nobleite Specimen Label here :

Nobleite

CaB6O9(OH)2•3(H2O)
Dana No: 26.06.06.01 Strunz No: 06.FC.05
Locality:

 

Notes: