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Kraisslite

A valid IMA mineral species
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About KraissliteHide

00699740014947647378041.jpg
Alice and Fred Kraissl
Formula:
Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16
The Zn is tetrahedrally coordinated. The mineral was formerly thought to have the formula (Mn2+,Mg)24Zn4(SiO4)8(AsO4)4(OH)12.
Colour:
Pale red-brown, deep coppery brown
Lustre:
Pearly
Hardness:
3 - 4
Specific Gravity:
3.876
Crystal System:
Orthorhombic
Name:
Named in honor of Alice and Frederick Kraissl, North Hackensack, New Jersey, avid collectors of Franklin, NJ, minerals, former officers of the Franklin-Ogdensburg Mineralogical Society and generous benefactors to the Franklin Mineral Museum. Alice Louise Plenty Kraissl [May 5, 1905 - September 16, 1986 River Edge, New Jersey, USA], earned a bachelors degree in engineering from Barnard College in 1925, and co-founded the family business, Kraissl Associates, with her husband. She was an avid micro-mounter as well and made many discoveries of Franklin-Ogdensburg minerals, including jarosewichite, flinkite, and several species still unnamed. Frederick Kraissl, Jr. [July 8, 1899 New York, New York, USA - November 30, 1986 River Edge, New jersey, USA] was the son of a Croatian immigrant. He earned his masters degree in chemical engineering at Columbia University, New York in 1922 and his PhD, also from Columbia, for his thesis on "The Mechanics of Colors in Gems and Minerals." He was a Practicing Engineer (PE), specializing in the manufacture of glass.
This page provides mineralogical data about Kraisslite.


Unique IdentifiersHide

Mindat ID:
2268
Long-form identifier:
mindat:1:1:2268:8
GUID
(UUID V4):
94036caa-86fb-4110-9c67-c7969b7a6620

IMA Classification of KraissliteHide

Classification of KraissliteHide

8.BE.45

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
E : With only medium-sized cations, (OH, etc.):RO4 > 2:1
43.4.10.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
17.7.11

17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
KslIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KraissliteHide

Pearly
Transparency:
Transparent, Translucent
Colour:
Pale red-brown, deep coppery brown
Streak:
golden brown
Hardness:
3 - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{0001}
Density:
3.876 g/cm3 (Measured)    3.903 g/cm3 (Calculated)

Optical Data of KraissliteHide

Type:
Uniaxial (+)
RI values:
nε = 1.805
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Colour in reflected light:
coppery

Chemistry of KraissliteHide

Mindat Formula:
Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16

The Zn is tetrahedrally coordinated. The mineral was formerly thought to have the formula (Mn2+,Mg)24Zn4(SiO4)8(AsO4)4(OH)12.
Common Impurities:
Al,H2O

Crystallography of KraissliteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
C2 2 21
Cell Parameters:
a = 8.1821(1) Å, b = 14.1946(3) Å, c = 43.9103(8) Å
Ratio:
a:b:c = 0.576 : 1 : 3.093
Unit Cell V:
5099.8 ų
Z:
4
Comment:
Formerly thought to be hexagonal, a = 8.22, c = 43.88 A.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019752KraissliteCooper M A, Hawthorne F C (2012) Crystal structure of kraisslite, Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16, from the Sterling Hill mine, Ogdensburg, Sussex County, New Jersey, USA Mineralogical Magazine 76 2819-28362012the Sterling Hill mine, Ogdensburg, Sussex County, New Jersey, USA0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.9 Å(6)
7.27 Å(1)
4.385 Å(45)
3.651 Å(35)
3.130 Å(20)
2.993 Å(2)
2.740 Å(100)
2.437 Å(55)
2.194 Å(55)
1.4601 Å(1)
1.2907 Å(2)
1.2190 Å(7)
1.1552 Å(2)
Comments:
ICDD 29-1432

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of KraissliteHide

General Appearance of Type Material:
Films and lenses to one inch thick
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 137017, 137018.
Geological Setting of Type Material:
1010 Stope central zincite zone.
Associated Minerals at Type Locality:
Reference:
Moore, P.B., Ito, J. (1978) Kraisslite, a new platy arsenosilicate from Sterling Hill, New Jersey. American Mineralogist: 63: 938-940.

Synonyms of KraissliteHide

Other Language Names for KraissliteHide

German:Kraisslit
Spanish:Kraisslita

Relationship of Kraisslite to other SpeciesHide

Other Members of this group:
Arakiite(Zn,Mn2+)(Mn2+,Mg)12(Fe3+,Al)2(As5+O4)2(As3+O3)(OH)23Mon. m : Bb
DixeniteCuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6Trig. 3 : R3
Hematolite(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23Trig. 3 : R3
McgoverniteMn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21Trig. 3m (3 2/m)
SynadelphiteMn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
Turtmannite(Mn,Mg)22.5Mg3-3x((V5+,As5+)O4)3(As3+O3)x(SiO4)3O5-5x(OH)20+xTrig.

Common AssociatesHide

Associated Minerals Based on Photo Data:
20 photos of Kraisslite associated with WillemiteZn2SiO4
19 photos of Kraisslite associated with FrankliniteZn2+Fe3+2O4
8 photos of Kraisslite associated with ZinciteZnO
7 photos of Kraisslite associated with Holdenite(Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8
7 photos of Kraisslite associated with CalciteCaCO3
5 photos of Kraisslite associated with Chlorophoenicite(Mn,Mg)3Zn2(AsO4)(OH,O)6
4 photos of Kraisslite associated with Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
4 photos of Kraisslite associated with EveiteMn2+2(AsO4)(OH)
4 photos of Kraisslite associated with SarkiniteMn2+2(AsO4)(OH)
4 photos of Kraisslite associated with SussexiteMn2+BO2(OH)

Related Minerals - Strunz-mindat GroupingHide

8.BE.05AugeliteAl2(PO4)(OH)3Mon. 2/m : B2/m
8.BE.10GrattarolaiteFe3+3(PO4)O3Trig. 3m : R3m
8.BE.15CornetiteCu3(PO4)(OH)3Orth. mmm (2/m 2/m 2/m) : Pbca
8.BE.20ClinoclaseCu3(AsO4)(OH)3Mon. 2/m : P21/b
8.BE.25ArhbariteCu2Mg(AsO4)(OH)3Tric. 1 : P1
8.BE.25GilmariteCu3(AsO4)(OH)3Tric. 1 : P1
8.BE.30AllactiteMn2+7(AsO4)2(OH)8Mon. 2/m : P21/b
8.BE.30FlinkiteMn2+2Mn3+(AsO4)(OH)4Orth. mmm (2/m 2/m 2/m) : Pnma
8.BE.30RaadeiteMg7(PO4)2(OH)8Mon. 2/m
8.BE.30ArganditeMn7(VO4)2(OH)8Mon. 2/m : P21/m
8.BE.35Chlorophoenicite(Mn,Mg)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
8.BE.35Magnesiochlorophoenicite(Mg,Mn)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
8.BE.35Mineral E (of Dunn, et. al., 1982)Orth. mmm (2/m 2/m 2/m)
8.BE.40Gerdtremmelite(Zn,Fe)(Al,Fe)2(AsO4)(OH)5Tric.
8.BE.45DixeniteCuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6Trig. 3 : R3
8.BE.45Hematolite(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23Trig. 3 : R3
8.BE.45McgoverniteMn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21Trig. 3m (3 2/m)
8.BE.45Arakiite(Zn,Mn2+)(Mn2+,Mg)12(Fe3+,Al)2(As5+O4)2(As3+O3)(OH)23Mon. m : Bb
8.BE.45Turtmannite(Mn,Mg)22.5Mg3-3x((V5+,As5+)O4)3(As3+O3)x(SiO4)3O5-5x(OH)20+xTrig.
8.BE.45CarlfrancisiteMn2+3(Mn2+,Mg,Fe3+,Al)42[As3+O3]2(As5+O4)4[(Si,As5+)O4]6[(As5+,Si)O4]2(OH)42 Trig. 3m (3 2/m) : R3c
8.BE.50SynadelphiteMn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.BE.55Holdenite(Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8Orth. mmm (2/m 2/m 2/m) : Ccca
8.BE.60KoliciteMn2+7Zn4(AsO4)2(SiO4)2(OH)8Orth. mmm (2/m 2/m 2/m) : Cmca
8.BE.65Sabelliite(Cu,Zn)2Zn(AsO4,SbO4)(OH)3Trig. 3 : P3
8.BE.70JarosewichiteMn2+3Mn3+(AsO4)(OH)6Orth. 2 2 2
8.BE.75TheisiteCu5Zn5(AsO4,SbO4)2(OH)14Orth.
8.BE.80CoparsiteCu4(AsO4,VO4)O2ClOrth. mmm (2/m 2/m 2/m) : Pbcm
8.BE.85WaterhouseiteMn2+7(PO4)2(OH)8Mon. 2/m : P21/b
8.BE.90VasilseverginiteCu9O4(AsO4)2(SO4)2Mon. 2/m

Fluorescence of KraissliteHide

Not fluorescent in UV

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.

Internet Links for KraissliteHide

References for KraissliteHide

Localities for KraissliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
USA (TL)
 
  • New Jersey
    • Sussex County
      • Ogdensburg
        • Sterling Hill
Moore et al. (1978) +4 other references
 
矿物 and/or 产地  
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