Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (3 online) Mindat Auctions

Julgoldite-(Fe2+)

Big Photo

Khandivali Quarry (Kandivali Quarry), Mumbai District (Bombay District), Maharashtra, India
© Wm. Wise (2006)

Show Julgoldite-(Fe2+) Photos (10)
Formula:
Ca
 
2
(Fe
2+
 
,Mg)(Fe
3+
 
,Al)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
System:Monoclinic


Julgoldite-(Fe2+)-Pumpellyite-(Fe2+) Series, and the Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series.

Classification of Julgoldite-(Fe2+)

IMA status:Approved
Strunz 8th edition ID:8/C.24-60
Nickel-Strunz 10th (pending) edition ID:9.BG.20

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
Dana 8th edition ID:58.2.2.1

58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Hey's CIM Ref.:14.22.8

14 : Silicates not Containing Aluminum
22 : Silicates of Fe and Ca
mindat.org URL:http://www.mindat.org/min-2120.html
Please feel free to link to this page.

Type Occurrence of Julgoldite-(Fe2+)

Type Locality:Långban, Filipstad, Värmland, Sweden

Crystallography of Julgoldite-(Fe2+)

Crystal System:Monoclinic

Chemical Properties of Julgoldite-(Fe2+)

Formula:
Ca
 
2
(Fe
2+
 
,Mg)(Fe
3+
 
,Al)
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
Essential elements:Ca, Fe, H, O, Si
All elements listed in formula:Al, Ca, Fe, H, Mg, O, Si

Relationship of Julgoldite-(Fe2+) to other Species

Series:Forms a series with Pumpellyite-(Fe2+) (see here)
Forms a series with Pumpellyite-(Mg) (see here)
Related to:
  • Pumpellyite Group
    • Related Minerals - Nickel-Strunz Grouping):

    - +
    9.BG.05Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Allanite-(La)
    {CaLa}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Allanite-(Y)
    {CaY}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Clinozoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Dissakisite-(Ce)
    {CaCe}{Al
     
    2
    		Mg}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Dollaseite-(Ce)
    {CaCe}{MgAlMg}[F|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Epidote-(Pb)
    {CaPb}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Khristovite-(Ce)
    {CaCe}{MgAlMn
    2+
     
    		}[F|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Mukhinite
    {Ca
     
    2
    		}{Al
     
    2
    		V
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Piemontite
    {Ca
     
    2
    		}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Piemontite-(Sr)
    {CaSr}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Manganiandrosite-(La)
    {LaMn
    2+
     
    		}{Mn
    3+
     
    		AlMn
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Tawmawite
    Ca
     
    2
    		(Al,Fe
    3+
     
    		,Cr)
     
    3
    		[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Manganipiemontite-(Sr)
    {CaSr}{Mn
    3+
     
    		AlMn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Ferriallanite-(Ce)
    {CaCe}{Fe
    3+
     
    		AlFe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Clinozoisite-(Sr)
    CaSrAl
     
    3
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.05Ferriepidote
    9.BG.05Manganiandrosite-(Ce)
    (Mn
    2+
     
    		,Ca)(Ce,REE)Mn
    3+
     
    		AlMn
    2+
     
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.05Dissakisite-(La)
    {CaLa}{Al
     
    2
    		Mg}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Vanadoandrosite-(Ce)
    {Mn
    2+
     
    		Ce}{V
    3+
     
    		AlMn
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Androsite-(La)
    9.BG.05Uedaite-(Ce)
    Mn
    2+
     
    		CeAl
     
    2
    		Fe
    2+
     
    		[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Epidote-(Sr)
    CaSrAl
     
    2
    		Fe
    3+
     
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.10Zoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.15Macfallite
    Ca
     
    2
    		(Mn
    3+
     
    		,Al)
     
    3
    		[(OH)
     
    3
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.15Sursassite
    Mn
     
    2
    		Al
     
    3
    		[(OH)
     
    3
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.20Okhotskite
    Ca
     
    8
    		(Mn
    2+
     
    		,Mg)
     
    4
    		(Mn
    3+
     
    		,Al,Fe)
     
    8
    		Si
     
    12
    		O
     
    56-n
    		(OH)
     
    n
    9.BG.20Pumpellyite-(Fe2+)
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Fe3+)
    Ca
     
    2
    		(Fe
    3+
     
    		,Mg,Fe
    2+
     
    		)(Al,Fe
    3+
     
    		)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Mg)
    Ca
     
    2
    		MgAl
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Mn2+)
    Ca
     
    2
    		(Mn
    2+
     
    		,Mg)(Al,Mn
    3+
     
    		,Fe
    3+
     
    		)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Shuiskite
    Ca
     
    2
    		(Mg,Al)(Cr,Al)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · 2H
     
    2
    		O
    9.BG.20Julgoldite-(Fe3+)
    Ca
     
    2
    		(Fe
    3+
     
    		,Mg)(Fe
    3+
     
    		,Al)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Al)
    Ca
     
    2
    		(Al,Fe
    2+
     
    		,Mg)Al
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Poppiite
    Ca
     
    2
    		(V
    3+
     
    		,Fe
    3+
     
    		,Mg)(V
    3+
     
    		,Al)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Julgoldite-(Mg)
    Ca
     
    2
    		(Mg,Fe
    2+
     
    		)(Fe
    3+
     
    		,Al)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.25Ganomalite
    Pb
     
    9
    		Ca
     
    5
    		Mn[O|SiO
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    4
    		]
    9.BG.30Rustumite
    Ca
     
    10
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(SiO
     
    4
    		)Cl
     
    2
    		(OH)
     
    2
    9.BG.35Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    9.BG.35Wiluite
    Ca
     
    19
    		(Al,Mg,Fe,Ti)
     
    13
    		(B,Al,[ ])
     
    5
    		Si
     
    18
    		O
     
    68
    		(O,OH)
     
    10
    9.BG.35Manganvesuvianite
    Ca
     
    19
    		Mn(Al,Mn,Fe)
     
    19
    		(Mg,Mn)
     
    2
    		Si
     
    18
    		O
     
    69
    		(OH)
     
    9
    9.BG.35Fluorvesuvianite
    Ca
     
    19
    		(Al,Mg,Fe
    2+
     
    		)
     
    13
    		[(F,OH,O)
     
    10
    		|(SiO
     
    4
    		)
     
    10
    		|(Si
     
    2
    		O
     
    7
    		)
     
    4
    		]
    9.BG.40Vyuntspakhkite-(Y)
    Y
     
    4
    		Al
     
    3
    		Si
     
    5
    		O
     
    18
    		(OH)
     
    5
    9.BG.45Dellaite
    Ca
     
    6
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)(OH)
     
    2
    9.BG.50Gatelite-(Ce)
    CaCe
     
    3
    		Al
     
    2
    		(Al,Mg)(Mg,Fe
    2+
     
    		,Al)[(O,F)|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.55Västmanlandite-(Ce)
    Ca(Ce,La)
     
    3
    		Al
     
    2
    		Mg
     
    2
    		 [F|(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		|Si
     
    2
    		O
     
    7
    		]
    Related Minerals - Hey's Index Grouping:

    - +
    14.22.1Hedenbergite
    CaFe
    2+
     
    		[Si
     
    2
    		O
     
    6
    		]
    14.22.2Pyroxferroite
    (Fe,Mn,Ca)SiO
     
    3
    14.22.3 Ferro-akermanite
    Ca
     
    2
    		FeSi
     
    2
    		O
     
    7
    14.22.4Kirschsteinite
    CaFe
    2+
     
    		[SiO
     
    4
    		]
    14.22.5Tungusite
    Ca
     
    4
    		Fe
     
    2
    		Si
     
    6
    		O
     
    15
    		(OH)
     
    6
    14.22.6Ferro-Actinolite
    ☐[Ca
     
    2
    		][(Fe
    2+
     
    		,Mg)
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    14.22.7Ilvaite
    CaFe
    2+
    2
    		Fe
    3+
     
    		[O|OH|Si
     
    2
    		O
     
    7
    		]
    14.22.9Andradite
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3

    Other Names for Julgoldite-(Fe2+)

    Other Languages:
    Russian:Джулголдит-Fe2+

    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 Julgoldite-(Fe2+)

    Reference List:Norsk Geologisk Tidsskrift (1984): 64: 251-255.

    Internet Links for Julgoldite-(Fe2+)

    Search Engines:
  • Look for Julgoldite-(Fe2+) on Google
  • Look for Julgoldite-(Fe2+) images on Google
    • External Links:
  • Look for Julgoldite-(Fe2+) on Webmineral
  • Look for Julgoldite-(Fe2+) on Athena Mineralogy
  • Look for Julgoldite-(Fe2+) on Wikipedia
  • Look for Julgoldite-(Fe2+) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Julgoldite-(Fe2+) in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Find Julgoldite-(Fe2+) on www.crystalclassics.co.uk
  • rare and unusual minerals mainly crystallized
  • SpiriferMinerals.com - high quality specimens
  • Buy Fine Minerals from mineralsweb.com
  • Search for Julgoldite-(Fe2+) on minvision.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • Wilensky Fine Minerals
  • Fabre Minerals - search for Julgoldite-(Fe2+) specimens
  • Buy from David K Joyce minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Julgoldite-(Fe2+)

    Hide Locality List
    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.
    These maps work faster with Firefox!
    (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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Haslach
          • Urenkopf Mt.
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Rhineland-Palatinate
      • Niederkirchen
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Rockenhausen
        • Bisterschied
    		Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz)
      • Wolfstein
        • Kreimbach-Kaulbach
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Saxony
      • Erzgebirge
        • Freiberg District
          • Naundorf
    		Grütze, T. (2006): Rauchquarz und Kugelpyrite aus dem Steinbruch Naundorf bei Freiberg/Sachsen. Lapis 31 (12), 16-19.
    India
     
    • Maharashtra
      • Mumbai District (Bombay District)
    		Wise and Moller (1990) Occurrence of Ca-Fe silicate minerals with zeolites in basalt cavities at Bombay, India. European Journal of Mineralogy, v. 2, pp. 875-883.
    Italy
     
    • Sardinia
      • Olbia-Tempio Pausania Province
        • La Maddalena
          • La Maddalena Island
    		Gamboni, A. (2003): Cala Francese - La Maddalena (SS). Micro (località), 2003, 11-20
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Shimane Prefecture
    		Matsubara et al (1992) Koubutsu-Gakkai Kou'en-Youshi, 161.
    Norway
     
    • More og Romsdal
      • Norddal
        • Tafjord
    		Eldjarn, K.(1982)."Julgolditt fra Tafjordtunnelen". NAGS-nytt 9(3),32-33 (in norwegian)
    Sweden
     
    • Värmland
      • Filipstad
    		Lithos (1971) 4, 93-99; Can.Min.(1967) 9, 301; 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.
    Lithos (1971) 4, 93-99; Can.Min. (1967) 9, 301; Langban: The mines, their minerals, geology and explorers
    USA
     
    • California
      • Trinity Co.
        • Mad River Ridge
    		Mineralogical Record, 18(5), 341
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register.