Kaliborite Mineral Data

[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors

General Kaliborite Information

Chemical Formula:

KHMg2B12O16(OH)10•4(H2O)

Composition:

Molecular Weight = 716.56 gm

Potassium 5.46 % K 6.57 % K₂O

Magnesium 6.78 % Mg 11.25 % MgO

Boron 18.10 % B 58.29 % B₂O₃

Hydrogen 2.67 % H 23.88 % H₂O

Oxygen 66.98 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

KHMg₂B₁₂O₁₆(OH)₁₀•4(H₂O)

Environment:

Marine potash deposits; rarely in efflorescences.

IMA Status:

Valid Species (Pre-IMA) 1889

Locality:

Saxony-Anhalt, from Schmidtmannshall, near Aschersleben, Germany. Link to MinDat.org Location Data.

Name Origin:

Named for the potassium, KALIum, and BORate in the composition.

Name Pronunciation:

Kaliborite + Pronunciation

Synonym:

ICSD 76660

PDF 18-669

Kaliborite Image

Images:

Kaliborite

Comments: Translucent colorless crystal of kaliborite.
Location: Lake Inder, Atyrau, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kaliborite Crystallography

Axial Ratios:

a:b:c =2.196:1:1.7366

Cell Dimensions:

a = 18.93, b = 8.62, c = 14.97, Z = 4; beta = 99.9° V = 2,406.38 Den(Calc)= 1.98

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

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

By Intensity(I/I_o): 6.215(1), 7.22(1), 3.104(0.7),

Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 1 1 2) ( 1 1 0) ( 1 1 1) ( 1 0 0) ( 1 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.

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

Burns P C , Hawthorne F C , The Canadian Mineralogist , 32 (1994) p.885-894, Kaliborite: An example of a crystallographically symmetrical, hydrogen bond

Physical Properties of Kaliborite

Cleavage:

{001} Perfect, {101} Perfect, {100} Good

Color:

Colorless, Gray white, White, Reddish brown.

Density:

2.116

Diaphaneity:

Transparent

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Kaliborite

Gladstone-Dale:

CI meas= -0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.102 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2666,KPDmeas= 0.2495,KC= 0.2419
Ncalc = 1.48 - 1.51

Optical Data:

Biaxial (+), a=1.5081, b=1.5255, g=1.55, bire=0.0419, 2V(Calc)=82, 2V(Meas)=80.633.

Calculated Properties of Kaliborite

Electron Density:

Bulk Density (Electron Density)=2.14 gm/cc
note: Specific Gravity of Kaliborite =2.12 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Kaliborite= 0.96 barns/electron
U=PE_Kaliborite x r_electron= 2.06 barns/cc.

Radioactivity:

GRapi = 79.53 (Gamma Ray American Petroleum Institute Units)
Concentration of Kaliborite per GRapi unit = 1.26 (%)

Estimated Radioactivity from Kaliborite - barely detectable

Kaliborite Classification

Dana Class:

26.05.13.01 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.05)Dana Type

(26.05.13)Dana Group

26.05.13.01 Kaliborite KHMg2B12O16(OH)10•4(H2O) C 2/c 2/m

Strunz Class:

06.FB.10 06 - BORATES

06.F - Hexaborates

06.FB -Ino-hexaborates

06.FB.10 Kaliborite KHMg2B12O16(OH)10•4(H2O) C 2/c 2/m

Other Kaliborite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Kaliborite :
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 Kaliborite using:

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

Visit our Advertisers for Kaliborite :

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 Kaliborite Mineral Data :

Ask about Kaliborite 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 Kaliborite Specimen Label here :

Kaliborite

KHMg2B12O16(OH)10•4(H2O)
Dana No: 26.05.13.01 Strunz No: 06.FB.10
Locality:

Notes: