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Karlite

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About KarliteHide

Formula:
Mg7(BO3)3(OH,Cl)5
Hardness:
Crystal System:
Orthorhombic
Name:
In honour of Dr. Franz Karl (1918–1972), Professor of Mineralogy and Petrography, Christian Albrechts University, Kiel, Germany, for his studies of the geology of the eastern Alps.
This page provides mineralogical data about Karlite.


Classification of KarliteHide

Approved
Approval Year:
1980
6.AB.25

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
10.1.6

10 : Borates with other anions
1 : Borates with halide

Physical Properties of KarliteHide

Hardness:
5½ on Mohs scale

Optical Data of KarliteHide

Type:
Biaxial (-)
RI values:
nα = 1.589 nβ = 1.632 nγ = 1.634
2V:
Measured: 24° , Calculated: 22°
Max Birefringence:
δ = 0.045
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemical Properties of KarliteHide

Formula:
Mg7(BO3)3(OH,Cl)5
IMA Formula:
(Mg,Al)6.5(BO3)3(OH)4(◻,Cl)0.5

Crystallography of KarliteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 17.92 Å, b = 17.6 Å, c = 3.1 Å
Ratio:
a:b:c = 1.018 : 1 : 0.176
Unit Cell V:
977.72 ų (Calculated from Unit Cell)

Type Occurrence of KarliteHide

Synonyms of KarliteHide

Other Language Names for KarliteHide

German:Karlit
Russian:Карлит
Spanish:Karlita

Related Minerals - Nickel-Strunz GroupingHide

6.AB.05HambergiteBe2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
6.AB.10BerboriteBe2(BO3)(OH,F) · H2OTrig.
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3Hex. 6/m : P63/m
6.AB.20Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)Orth.
6.AB.20YuanfuliiteMg(Fe3+,Al)O(BO3)Orth.
6.AB.30Azoproite(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2Orth.
6.AB.30BonaccorditeNi2Fe3+(BO3)O2Orth.
6.AB.30FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.30LudwigiteMg2Fe3+(BO3)O2Orth.
6.AB.30VonseniteFe2+2Fe3+(BO3)O2Orth.
6.AB.35Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Mon.
6.AB.40BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
6.AB.40ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2Orth.
6.AB.40Orthopinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Orth.
6.AB.40Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.45Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2Mon.
6.AB.45Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2Mon.
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2Mon. 2/m
6.AB.50FluoboriteMg3(BO3)(F,OH)3Hex.
6.AB.50HydroxylboriteMg3(BO3)(OH)3Hex. 6/m : P63/m
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2OMon.
6.AB.60GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3Hex.
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2ClIso. m3m (4/m 3 2/m) : Fd3m
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2OTrig. 3m (3 2/m) : R3m
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)Orth. mm2 : Pna21
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3Orth. mmm (2/m 2/m 2/m) : Pmna
6.AB.85PainiteCaZrAl9(BO3)O15Hex.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

10.1.1TeepleiteNa2[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
10.1.2BandyliteCu[B(OH)4]ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
10.1.3BerboriteBe2(BO3)(OH,F) · H2OTrig.
10.1.4FluoboriteMg3(BO3)(F,OH)3Hex.
10.1.5BoraciteMg3(B7O13)ClOrth. mm2 : Pca21
10.1.7ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
10.1.8/9/10HilgarditeCa2B5O9Cl · H2OTric. 1 : P1
10.1.11SolongoiteCa2(H3B3O7)(OH)ClMon.
10.1.12HydrochlorboriteCa4B8O15Cl2 · 21H2OMon.
10.1.13EkateriniteCa2(B4O7)(Cl,OH)2 · 2H2OHex.
10.1.14VolkovskiteKCa4[B5O8OH]4[B(OH)3]2Cl · 4H2OTric. 1 : P1
10.1.15ChelkariteCaMgB2O4(Cl,OH)2 · 5H2O Or near, with Cl:OH = 3:1Orth.
10.1.16JohachidoliteCaAlB3O7Orth. mmm (2/m 2/m 2/m) : Cmma
10.1.17SatimoliteKNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2OTrig. 3m (3 2/m) : R3m
10.1.18ChambersiteMn2+3(B7O13)ClOrth. mm2 : Pca21
10.1.19Congolite(Fe2+,Mg)3(B7O13)ClTrig. 3m : R3c
10.1.20EricaiteFe2+3(B7O13)ClOrth.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KarliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1981): 66: 872-877.
Neues Jahrbuch für Mineralogie, Monatshefte (1986): 253-262.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for KarliteHide

Localities for KarliteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria (TL)
 
  • Tyrol
    • North Tyrol
      • Zillertal
        • Schlegeis valley (Schlegeisgrund)
G. Franz, D. Ackermann, E. Koch: Amer. Mineral. 66:872-877 (1981)
France
 
  • Occitanie
    • Pyrénées-Orientales
      • Prats-de-Mollo-la Preste (Prats de Molló-la Presta)
Dubru. M, (1986) Pétrologie et géochimie du marbre à brucite et des borates associés au gisement de tungstène de Costabonne, (Pyrénées orientales, France) 930p
Russia
 
  • Sakha Republic (Yakutia)
    • Polar Yakutia
      • Dogdo River Basin
        • Tas-Khayakhtakh Range
http://maurice.strahlen.org/yakutia/yakutia.htm
Mineral and/or Locality  
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