[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery] Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996 General Karlite Information(Mg,Al)6(BO3)3(OH,Cl)4 |
Molecular Weight = 412.74 gm |
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Magnesium 26.50 % Mg 43.94 % MgO |
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Aluminum 9.81 % Al 18.53 % Al2O3 |
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Boron 7.86 % B 25.30 % B2O3 |
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Hydrogen 0.73 % H 6.55 % H2O |
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Chlorine 8.59 % Cl 8.59 % Cl |
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- %
Cl -1.94 % -O=Cl2 |
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Oxygen 46.52 % O |
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______ ______ |
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100.00 % 100.97 % = TOTAL OXIDE |
Mg4.5Al1.5(BO3)3(OH)3Cl |
Approved IMA 1981 (Dana # Added) |
Schlegeistal, Furtschaglhaus, Zillertal Alps, Austria Link to MinDat.org Location Data. |
Named for F. Karl, German professor at the University of Kiel, Austria. |
Karlite |
ICSD 29524 |
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PDF 36-381 |
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Karlite Crystallographya:b:c =0.9816:1:0.1727 |
a = 17.637, b = 17.967, c = 3.104, Z = 4; V = 983.61 Den(Calc)= 2.79 |
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121 |
By Intensity(I/Io): 2.21(1), 2.83(0.92), 2.25(0.87), |
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Mouse
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| Physical Properties of Karlite{001} Perfect |
Light green, Silky white. |
2.8 - 2.85, Average = 2.82 |
Transparent |
Acicular - Occurs as needle-like crystals. |
Aggregates - Made of numerous individual crystals or clusters. |
Fibrous - Crystals made up of fibers. |
5.5 - Knife Blade |
Silky |
white |
| Optical Properties of KarliteCI 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 Biaxial (-), a=1.589, b=1.632, g=1.634, bire=0.0450, 2V(Calc)=22, 2V(Meas)=24. |
| Calculated Properties of KarliteBulk Density (Electron Density)=2.76 gm/cc |
note: Specific Gravity of Karlite =2.79 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PEKarlite = 1.52 barns/electron |
U=PEKarlite x rElectron Density= 4.22 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Karlite is Not Radioactive | Karlite Classification25.08.04.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen |
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(25.08)Dana Type |
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(25.08.04)Dana Group |
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06.AB.25 06 - BORATES |
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06.A - Monoborates |
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06.AB -BO3, with additional anions; 1(D) + OH, etc. |
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| Other Karlite InformationPHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Karlite : |
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 Karlite using: Visit our Advertisers for Karlite : AA Mineral SpecimensB & 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 Karlite Mineral Data : Ask about Karlite here : Print or Cut-and-Paste your Karlite Specimen Label here :
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