Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Heliophyllite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Passa Limani Cove slag locality (Pacha Limani Cove slag locality), Passa Limani area, Lavrion District slag localities, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
© L Kruszewski

Show Heliophyllite Photos (3)



Formula:
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
System:OrthorhombicColour:Yellow to greenish yellow
Lustre:Vitreous, GreasyHardness:2
Name:From the Greek ήλιος for "sun" and φύλλον for "leaf", in allusion to the colour and the foliated habit.
Dimorph of:Ecdemite


Apparently dimorphous with Ecdemite.
Reinvestigation needed.

Classification of Heliophyllite

IMA status:Questionable/Doubtful
Strunz 8th edition ID:3/D.10-110
Nickel-Strunz 10th (pending) edition ID:3.DC.65

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:46.2.2.1

46 : ANTIMONITES AND ARSENITES CONTAINING HYDROXYL OR HALOGEN
2 : Miscellaneous
Hey's CIM Ref.:23.8

23 : Arsenites
mindat.org URL:http://www.mindat.org/min-1850.html
Please feel free to link to this page.

Type Occurrence of Heliophyllite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1888
Geological Setting of type material:Metamorphosed Fe-Mn ore body
Associated Minerals at type locality:
Ecdemite

Occurrences of Heliophyllite

Geological Setting:Oxidized zone of a Pb-Zn deposit; slags.

Physical Properties of Heliophyllite

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Translucent
Comment:Lustre vitreous on cleavages, greasy on fracture surfaces.
Colour:Yellow to greenish yellow
Streak:Light yellow
Hardness (Mohs):2
Hardness (Vickers):VHN100=96
Cleavage:Very Good
On {011}, nearly perfect.
Density (measured):6.89 - 7.14 g/cm3
Density (calculated):7.33 g/cm3

Crystallography of Heliophyllite

Crystal System:Orthorhombic
Cell Parameters:a = 10.823Å, b = 10.783Å, c = 25.58Å
Ratio:a:b:c = 1.004 : 1 : 2.372
Unit Cell Volume:V 2,985.30 ų (Calculated from Unit Cell)
Z:8
Morphology:Crystals acutely pyramidal with (001) ^ (111) ~53° (Pajsberg) and the inclined faces strongly striated horizontally; also tabular {001} with {011}, {101}, and (001) ^ (011) 65°36' and (011) ^ (011) 78°48' (Långban), radiating. Coarse foliated or granular aggregates (intergrown with ecdemite); ball-like, massive.
Comment:Pseudotetragonal

Optical Data of Heliophyllite

Type:Biaxial (-)
Dispersion:r > v strong

Chemical Properties of Heliophyllite

Formula:
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
Essential elements:As, Cl, O, Pb
All elements listed in formula:As, Cl, O, Pb

Relationship of Heliophyllite to other Species

Common Associates:
MimetiteCerussiteCalcite
Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbCl(OH)
3.DC.05Paralaurionite
PbCl(OH)
3.DC.10Fiedlerite
Pb
 
3
FCl
 
4
(OH) · H
 
2
O
3.DC.15Penfieldite
Pb
 
2
Cl
 
3
(OH)
3.DC.20Laurelite
Pb
 
7
F
 
12
Cl
 
2
3.DC.25Bismoclite
(BiO)Cl
3.DC.25Daubréeite
(BiO)(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
(BiO)F
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Nadorite
PbSbClO
 
2
3.DC.30Perite
PbBiClO
 
2
3.DC.35Aravaipaite
Pb
 
3
F
 
3
[AlF
 
6
] · H
 
2
O
3.DC.37Calcioaravaipaite
PbCa
 
2
AlF
 
9
3.DC.40Thorikosite
Pb
 
3
Cl
 
2
(OH)(SbO
 
3
,AsO
 
3
)
3.DC.45Mereheadite
Pb
 
47
Cl
 
25
(OH)
 
13
O
 
24
(CO
 
3
)(BO
 
3
)
 
2
3.DC.50Blixite
Pb
 
2
(O,OH)
 
2
Cl
3.DC.55Pinalite
Pb
 
3
WO
 
5
Cl
 
2
3.DC.60Symesite
Pb
 
10
(SO
 
4
)O
 
7
Cl
 
4
 · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
3.DC.70Mendipite
Pb
 
3
Cl
 
2
O
 
2
3.DC.75Damaraite
Pb
 
3
Cl(OH)O
 
2
3.DC.80Onoratoite
Sb
 
8
Cl
 
2
O
 
11
3.DC.85Cotunnite
PbCl
 
2
3.DC.90Pseudocotunnite
K
 
2
PbCl
 
4
3.DC.95Barstowite
Pb
 
4
Cl
 
6
(CO
 
3
) · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
23.2Nanlingite
NaMg
 
4
(AsO
 
3
)
 
2
F
 
4
23.3Leiteite
Zn(As
 
2
O
 
4
)
23.5Kuznetsovite
(Hg
+
2
)Hg
2+
 
(AsO
 
4
)Cl
23.6Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
23.7Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
23.9Finnemanite
Pb
 
5
(AsO
 
3
)
 
3
Cl
23.10Gebhardite
Pb
 
8
(As
 
2
O
 
5
)
 
2
OCl
 
6
23.11Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
23.13Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
23.14Freedite
Cu
+
 
Pb
 
8
(AsO
 
3
)
 
2
O
 
3
Cl
 
5
23.15Manganarsite
Mn
 
3
(As
 
2
O
 
4
)(OH)
 
4
23.17Armangite
Mn
2+
26
(AsO
 
3
)
 
14
(HAsO
 
3
)
 
4
(CO
 
3
)
23.18Karibibite
Fe
 
2
As
 
4
O
 
9
23.19Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
23.20Lazarenkoite
(Ca,Fe
2+
 
)Fe
3+
 
As
3+
3
O
 
7
 · 3H
 
2
O
23.21Stenhuggarite
CaFeSb(AsO
 
3
)
 
2
O
23.22Tomichite
(V,Fe)
 
4
Ti
 
3
AsO
 
13
(OH)

Other Names for Heliophyllite

Other Languages:
German:Heliophyllit
Simplified Chinese:日叶石
Spanish:Heliophyllita

Other Information

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

References for Heliophyllite

Reference List:

- +
Flink (1888) Ak. Stockholm, Öfversigy: 45: 574.

Hamberg (1889) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 11: 229.

Sillén and Melander (1941) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 103: 420.

Strunz (1942) Naturwissenschaften: 30: 89.

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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1037-1038.

Periodico di Mineralogia (1970): 39: 323-341.

Li, W. and G. Chen (1985) The discovery of heliophyllite in China. Acta Mineralogica Sinica, 5(3), 216–220 (in Chinese with English abs.). (3) (1987) Mineral. Abs., 38, 347.

Internet Links for Heliophyllite

Search Engines:
  • Look for Heliophyllite on Google
  • Look for Heliophyllite images on Google
    • External Links:
  • Heliophyllite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • Buy from David K Joyce minerals
  • webminerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Buy RARE Minerals from Rocks of Africa
  • Wilensky Fine Minerals
  • Search for - Heliophyllite - on e-Rocks Mineral Sales & Auctions
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for Heliophyllite on Well-Arranged Molecules
  • Top quality minerals from Kristalle of California
  • SpiriferMinerals.com - high quality low prices
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Heliophyllite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Da Qaidam Co. (Dachaidan Co.)
    		Li, W., and Chen, G. (1985): The discovery of heliophyllite in China. Acta Mineralogica Sinica 5(3), 216–220
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
    		Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1981): Neufunde von Mineralen aus den antiken Bleischlacken Laurions. Der Aufschluss, 32, 165-169.
          • Passa Limani area
    		No reference listed
          • Thorikos area
    		Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
          • Vrissaki area
    		Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
    Italy
     
    • Tuscany
      • Livorno Province
        • Campiglia Marittima
    		http://www.comune.pisa.it/apsn/Articoli/Scorie/Capattoli.htm
        • Piombino
    		Muenchener Micromounter-Lithothek
    Sweden
     
    • Värmland
      • Filipstad
    		Öfvers. KVA handl.(1888) 45, 574; 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: 1037; 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.
        • Nordmark (Nordmarksberg)
    		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: 1037.
        • Persberg district
          • Pajsberg
    		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: 1037.
    USA
     
    • Nevada
      • Clark Co.
        • Goodsprings District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 12th Apr 2013 16:03:49
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds