Ruitenbergite Mineral Data

[Newest Minerals] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa, PayPal, and Mastercard are Welcomed

General Ruitenbergite Information

Chemical Formula:

Ca9B26O34(OH)24Cl4•13(H2O)

Composition:

Molecular Weight = 1,969.93 gm

Calcium 18.31 % Ca 25.62 % CaO

Boron 14.27 % B 45.94 % B₂O₃

Hydrogen 2.56 % H 22.86 % H₂O

Chlorine 7.20 % Cl 7.20 % Cl

- % Cl -1.62 % -O=Cl₂

Oxygen 57.66 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₉B₂₆O₃₄(OH)₂₄Cl₄•13(H₂O)

Environment:

Found in an evaporite deposit. Dimorphous with pringleite.

IMA Status:

Approved IMA 1993

Locality:

Potash Corporation of America mine, Penobsquis evaporite deposit, near Sussex, New Brunswick, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Arie A. Ruitenberg (1929- ), geologist, Geological Surveys Branch, New Brunswick Department of Natural Resources, Sussex, Canada

Name Pronunciation:

Ruitenbergite + Pronunciation

Synonym:

ICSD 76889

IMA1992-011

PDF 46-1429

Search for Ruitenbergite Images

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.

Ruitenbergite Crystallography

Axial Ratios:

a:b:c =2.0463:1:1.8065

Cell Dimensions:

a = 19.88, b = 9.715, c = 17.551, Z = 2; beta = 114.85° V = 3,075.85 Den(Calc)= 2.13

Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: P 2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 8.56(1), 6.62(0.7), 9.03(0.6),

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

Grice J D , Burns P C , Hawthorne F C , The Canadian Mineralogist , 32 (1994) p.1-14, Determination of the megastructures of the borate polymorphs pringleite and, ruitenbergite

Physical Properties of Ruitenbergite

Cleavage:

{???} Good

Color:

Colorless, Light yellow.

Density:

2.21

Diaphaneity:

Transparent

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Ruitenbergite

Gladstone-Dale:

CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2585,KPDmeas= 0.2492,KC= 0.2531
Ncalc = 1.54 - 1.56

Optical Data:

Biaxial (+), a=1.542, b=1.545, g=1.565, bire=0.0230, 2V(Calc)=44, 2V(Meas)=42.5-47.

Calculated Properties of Ruitenbergite

Electron Density:

Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Ruitenbergite =2.21 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_{Ruitenbergite}= 2.90 barns/electron
U=PE_{Ruitenbergite} x rElectron Density= 6.49 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ruitenbergite is Not Radioactive

Ruitenbergite Classification

Dana Class:

26.05.17.02 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.05)Dana Type

(26.05.17)Pringleite Group

26.05.17.01 Pringleite Ca9B26O34(OH)24Cl4•13(H2O) P1 1

26.05.17.02 Ruitenbergite Ca9B26O34(OH)24Cl4•13(H2O) P 2₁ 2

26.05.17.03 Brianroulstonite! Ca3[B5O6(OH)6](OH)Cl2•8(H2O) Pa m

26.05.17.04 Penobsquisite! Ca2Fe[B9O13(OH)6]Cl•4(H2O) P 2₁ 2

26.05.17.05 Walkerite! Ca16(Mg,Li,[])2[B13O17(OH)12]4Cl6•28(H2O) Pba2 mm2

Strunz Class:

06.GD.05 06 - BORATES

06.G - Heptaborates and other Megaborates

06.GD -Mega-tektoborates

06.GD.05 Ruitenbergite Ca9B26O34(OH)24Cl4•13(H2O) P 2₁ 2

06.GD.05 Pringleite Ca9B26O34(OH)24Cl4•13(H2O) P1 1

Other Ruitenbergite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.79,p1012,1994) OPTIC PROP.(Am.Min.,Vol.79,p1012,1994)

See Also:

Links to other databases for Ruitenbergite :
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 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Ruitenbergite using:

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

Visit our Advertisers for Ruitenbergite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Ruitenbergite Mineral Data :

Ask about Ruitenbergite 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 Ruitenbergite Specimen Label here :

Ruitenbergite

Ca9B26O34(OH)24Cl4•13(H2O)
Dana No: 26.05.17.02 Strunz No: 06.GD.05
Locality:

Notes: