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Hematolite

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About HematoliteHide

Formula:
(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23
Cation requirements for charge balance suggest that there about two 3+ cations per formula unit. The original 3+ cations determined by Moore and Araki (1978) were Al-dominant. Polytypic stacking may be present resulting in formula variations.
Colour:
Brown-red, blood-red, nearly black; reddish orange to yellowish brown in transmitted light.
Lustre:
Vitreous, Sub-Vitreous, Resinous, Pearly, Sub-Metallic
Hardness:
Specific Gravity:
3.49
Crystal System:
Trigonal
Name:
Named in 1884 by Lars Johan Igelstrom from the Greek αίμα for "blood" and λίθος for "stone", in allusion to its red colour.
Dark blood red platy crystals (< 1 mm) and crusts.


Classification of HematoliteHide

Approved, 'Grandfathered' (first described prior to 1959)
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
43.4.6.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
20.8.21

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn

Physical Properties of HematoliteHide

Vitreous, Sub-Vitreous, Resinous, Pearly, Sub-Metallic
Transparency:
Translucent
Comment:
Pearly to sub-metallic on cleavage surfaces.
Colour:
Brown-red, blood-red, nearly black; reddish orange to yellowish brown in transmitted light.
Streak:
Light chocolate-brown to reddish brown
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On {0001}, perfect
Fracture:
Irregular/Uneven
Density:
3.49 g/cm3 (Measured)    3.48 g/cm3 (Calculated)

Optical Data of HematoliteHide

Type:
Uniaxial (-)
RI values:
nω = 1.733 nε = 1.714
Birefringence:
0.019
Max Birefringence:
δ = 0.019
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Non-pleochroic
Comments:
The crystals are divided into differently oriented, anomalously biaxial sectors at times.

Chemical Properties of HematoliteHide

Formula:
(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23

Cation requirements for charge balance suggest that there about two 3+ cations per formula unit. The original 3+ cations determined by Moore and Araki (1978) were Al-dominant. Polytypic stacking may be present resulting in formula variations.
IMA Formula:
(Mn,Mg,Al)15(AsO4)2(AsO3)(OH)23

Crystallography of HematoliteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 8.275 Å, c = 36.60 Å
Ratio:
a:c = 1 : 4.423
Unit Cell V:
2,170.44 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Crystals thick tabular {0001} with large {0115}, or rhombohedral with {0115} alone. The rhombohedral faces are striated horizontally.
Comment:
Basic repeat distance of 12.2 A of a five-layer structure found

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.12 (80)
5.63 (30)
5.20 (50)
4.14 (80)
3.40 (40)
4.22 (40)
2.60 (40)
2.39 (100)
1.562 (90)
Comments:
Berry and Graham (1948)

Type Occurrence of HematoliteHide

Geological Setting of Type Material:
Veinlets or cavities in crystalline limestone of a stratabound Mn-Fe ore deposit.
Associated Minerals at Type Locality:

Synonyms of HematoliteHide

Other Language Names for HematoliteHide

Relationship of Hematolite to other SpeciesHide

Other Members of this group:
Arakiite(Zn,Mn2+)(Mn2+,Mg)12(Fe3+,Al)2(As5+O4)2(As3+O3)(OH)23Mon.
DixeniteCuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6Trig.
KraissliteZn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16Orth. 2 2 2 : C2 2 21
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

AllactiteMn2+7(AsO4)2(OH)8
BaryteBaSO4
CalciteCaCO3
Chlorophoenicite(Mn,Mg)3Zn2(AsO4)(OH,O)6
CovelliteCuS
FrankliniteZn2+Fe3+2O4
FriedeliteMn2+8Si6O15(OH,Cl)10
MagnetiteFe2+Fe3+2O4
Retzian-(Nd)Mn2+2(Nd,Ce,La)(AsO4)(OH)4
WillemiteZn2SiO4
Associated Minerals Based on Photo Data:
Magnetite4 photos of Hematolite associated with Magnetite on mindat.org.
Synadelphite3 photos of Hematolite associated with Synadelphite on mindat.org.
Jacobsite1 photo of Hematolite associated with Jacobsite on mindat.org.
Calcite1 photo of Hematolite associated with Calcite on mindat.org.
Allactite1 photo of Hematolite associated with Allactite on mindat.org.

Related Minerals - Nickel-Strunz 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.
8.BE.30AllactiteMn2+7(AsO4)2(OH)8Mon. 2/m : P21/b
8.BE.30FlinkiteMn2+2Mn3+(AsO4)(OH)4Orth.
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.40Gerdtremmelite(Zn,Fe)(Al,Fe)2(AsO4)(OH)5Tric.
8.BE.45DixeniteCuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6Trig.
8.BE.45KraissliteZn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16Orth. 2 2 2 : C2 2 21
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.
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.
8.BE.85WaterhouseiteMn2+7(PO4)2(OH)8Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.8.1SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
20.8.2EveiteMn2+2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
20.8.3ArsenoclasiteMn2+5(AsO4)2(OH)4Orth.
20.8.4FlinkiteMn2+2Mn3+(AsO4)(OH)4Orth.
20.8.5JarosewichiteMn2+3Mn3+(AsO4)(OH)6Orth. 2 2 2
20.8.6AllactiteMn2+7(AsO4)2(OH)8Mon. 2/m : P21/b
20.8.7KrautiteMn(HAsO4) · H2OMon. 2 : P21
20.8.8SynadelphiteMn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
20.8.9SterlinghilliteMn3(AsO4)2 · 4H2OTric. 1 : P1
20.8.10GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric.
20.8.11Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2OMon. 2/m : P21/b
20.8.12Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
20.8.13FluckiteCaMn2+(HAsO4)2 · 2H2OTric. 1 : P1
20.8.14BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2OMon. 2/m : P21/b
20.8.15ParabrandtiteCa2Mn2+(AsO4)2 · 2H2OTric.
20.8.16WallkilldelliteCa2Mn2+3(AsO4)2(OH)4 · 9H2OHex.
20.8.17Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
20.8.18ManganberzeliiteNaCa2Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
20.8.19Magnesiochlorophoenicite(Mg,Mn)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
20.8.20VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
20.8.22GrischuniteNaCa2Mn2+5Fe3+(AsO4)6 · 2H2OOrth.

Fluorescence of HematoliteHide

Not fluorescent in UV

Other InformationHide

Notes:
Readily soluble in acids.

Alters to Manganite.
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 HematoliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bertrand (1884) Bulletin de la Société française de Minéralogie: 7: 124.
Igelstrom, Lars Johan (1884) Svenska Vetenskapsakademien, Stockholm, Öfv.: 41: 85 (as Aimatolith).
Igelstrom, Lars Johan (1884) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 7: 211 (as Aimatolith).
Lorenzen (1884) Svenska Vetenskapsakademien, Stockholm, Öfv.: no. 4: 95.
Sjögren, Stens Anders Hjalmar (1884) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 7: 233, 369 (as Diadelphit).
Sjögren, Stens Anders Hjalmar (1885) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 10: 130 (as Diadelphit).
Larsen, Esper S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 83.
Hintze, Carl (1933) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [4B]: 1175.
Berry, Leonard G. and Graham, A. R. (1948) American Mineralogist: 33: 489-495.
Wickmann, Frans Erik (1950) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm, v. 72, p. 64-68.
Palache, C., Berman, H., and Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 777.
Moore, P. B. and Araki, T. (1978) American Mineralogist: 63: 150-159.
Dunn, Pete J. and Peacor, Donald R. (1983) A ferric Iron Equivalent of Hematolite from Sterling Hill, New Jersey and Langban, Sweden, Mineralogical Magazine, v. 47, p. 381-385.

Internet Links for HematoliteHide

Localities for HematoliteHide

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 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.
Sweden
 
  • Värmland
    • Filipstad
Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Nysten, P. (1987). Armangite from Nordmark. GFF, 109(2), 110-110.
Mineralogical Magazine(1978) 42, 133-136
Nysten, P. (1987). Armangite from Nordmark. GFF, 109(2), 110-110.
Igelström (1884), Geologiska Föreningens i Stockholm. Förhandlingar, Stockholm : 85-87; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 778; Clark, 1993, "Hey's Mineral Index"
      • Persberg district
        • Pajsberg
Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
Mineral and/or Locality  
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