Karlite Mineral Data (original) (raw)

General Karlite Information

Help on Chemical Formula: Chemical Formula:

(Mg,Al)6(BO3)3(OH,Cl)4

Help on Composition: Composition:

Molecular Weight = 412.74 gm

Magnesium 26.50 % Mg 43.94 % MgO

Aluminum 9.81 % Al 18.53 % Al2O3

Boron 7.86 % B 25.30 % B2O3

Hydrogen 0.73 % H 6.55 % H2O

Chlorine 8.59 % Cl 8.59 % Cl

- % Cl -1.94 % -O=Cl2

Oxygen 46.52 % O

______ ______

100.00 % 100.97 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Mg4.5Al1.5(BO3)3(OH)3Cl

Help on IMA Status: IMA Status:

Approved IMA 1981 (Dana # Added)

Help on Locality: Locality:

Schlegeistal, Furtschaglhaus, Zillertal Alps, Austria Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for F. Karl, German professor at the University of Kiel, Austria.

Help on Name Pronunciation: Name Pronunciation:

Karlite Say KARLITE

Help on Synonym: Synonym:

ICSD 29524

PDF 36-381

Karlite Image

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

Karlite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9816:1:0.1727

Help on Cell Dimensions: Cell Dimensions:

a = 17.637, b = 17.967, c = 3.104, Z = 4; V = 983.61 Den(Calc)= 2.79

Help on Crystal System: Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.21(1), 2.83(0.92), 2.25(0.87),

Click Here for Large Karlite 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

| | Bonazzi P , Menchetti S , Sabelli C , Trosti-Ferroni R , Neues Jahrbuch fur Mineralogie, Monatshefte , 1986 (1986) p.253-262, Karlite: crystal structure and chemical composition, Locality: Tauern Window, Schleigeistal, Zillertaler, Alpen, Austria | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Karlite

Help on Cleavage: Cleavage:

{001} Perfect

Help on Color: Color:

Light green, Silky white.

Help on Density: Density:

2.8 - 2.85, Average = 2.82

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Habit: Habit:

Aggregates - Made of numerous individual crystals or clusters.

Help on Habit: Habit:

Fibrous - Crystals made up of fibers.

Help on Hardness: Hardness:

5.5 - Knife Blade

Help on Luster: Luster:

Silky

Help on Streak: Streak:

white

Optical Properties of Karlite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.049 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.037 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2216,KPDmeas= 0.2189,KC= 0.23
Ncalc = 1.64 - 1.66

Help on Optical Data: Optical Data:

Biaxial (-), a=1.589, b=1.632, g=1.634, bire=0.0450, 2V(Calc)=22, 2V(Meas)=24.

Calculated Properties of Karlite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.76 gm/cc
note: Specific Gravity of Karlite =2.79 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Help on Photoelectric: Photoelectric:

PEKarlite = 1.52 barns/electron
U=PEKarlite x rElectron Density= 4.22 barns/cc.

Help on Radioactivity: Radioactivity:

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

Karlite Classification

Help on Dana Class: Dana Class:

25.08.04.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen

(25.08)Dana Type

(25.08.04)Dana Group

25.08.04.01 Karlite! (Mg,Al)6(BO3)3(OH,Cl)4 P 212121 2 2 2

Help on Strunz Class: Strunz Class:

06.AB.25 06 - BORATES

06.A - Monoborates

06.AB -BO3, with additional anions; 1(D) + OH, etc.

06.AB.25 Karlite! (Mg,Al)6(BO3)3(OH,Cl)4 P 212121 2 2 2

Other Karlite Information

Help on References: References:

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 Karlite :
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 Karlite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Karlite :

A Bijoux Google Search for Karlite
Adam's Minerals Google Search for Karlite
Cape Minerals Google Search for Karlite
Dakota Matrix Minerals Google Search for Karlite
Excalibur Mineral Corp. Google Search for Karlite
Exceptional Minerals Google Search for Karlite
John Betts Fine Minerals Search for Karlite
McDougall Minerals Google Search for Karlite
Mineral News Website Link
Rock and Mineral Shows Google Search for Karlite
Weinrich Minerals, Inc. Google Search for Karlite

Ask about Karlite 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 Espa�ol

Print or Cut-and-Paste your Karlite Specimen Label here :

Karlite

(Mg,Al)6(BO3)3(OH,Cl)4
Dana No: 25.08.04.01 Strunz No: 06.AB.25
Locality:

Notes: