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Danalite

Big Photo

Yxsjöberg Mine, Yxsjö ore field, Ljusnarsberg, Västmanland, Sweden
© B. Otter

Show Danalite Photos (11)
Formula:
Fe
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
System:IsometricColour:Pink, grey, yellow, ...
Lustre:Vitreous, GreasyHardness:5½ - 6
Name:
Named after James Dwight Dana (1813-1895) American mineralogist and geologist, Yale University.


Helvite Group . Danalite-Genthelvite Series and the Danalite-Helvite Series.

Classification of Danalite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/J.12-10
Nickel-Strunz 10th (pending) edition ID:9.FB.10

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 8th edition ID:76.2.4.2

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
Hey's CIM Ref.:17.9.5

17 : Silicates Containing other Anions
9 : Silicates with sulphide or sulphite
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Type Occurrence of Danalite

Type Locality:Rockport, Essex Co., Massachusetts, USA
Year of Discovery:1866

Occurrences of Danalite

Geological Setting:In granites, granitic pegmatites, skarns, gneisses.

Physical Properties of Danalite

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Translucent
Colour:Pink, grey, yellow, reddish brown, red
Hardness (Mohs):5½ - 6
Tenacity:Brittle
Cleavage:Poor/Indistinct
Poor on {111}{111}
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):3.28 - 3.46 g/cm3
Density (calculated):3.36 g/cm3

Crystallography of Danalite

Crystal System:Isometric
Class (H-M):4 3m - Hextetrahedral
Space Group:P4 3n
Cell Parameters:a = 8.21(1) Å
Unit Cell Volume:V 553.39 ų (Calculated from Unit Cell)
Z:2
Morphology:Octahedral and dodecahedral crystals to 10cm.

Optical Data of Danalite

Type:Isotropic
RI values: n = 1.747 - 1.771
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:High

Chemical Properties of Danalite

Formula:
Fe
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
Essential elements:Be, Fe, O, S, Si
All elements listed in formula:Be, Fe, O, S, Si
Common Impurities:Mn,Zn,Ca,S

Relationship of Danalite to other Species

Series:Forms a series with Genthelvite (see here)
Forms a series with Helvite (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.FB.05Afghanite
(Na,Ca,K)
 
8
[(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca[(S
 
3
)
 
1.5
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Cancrinite
Na
 
6
Ca
 
2
[(CO
 
3
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
[CO
 
3
|Al
 
5
Si
 
7
O
 
24
] · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
[(Cl
 
2
,SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
[(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
[(SO
 
4
,Cl)
 
1-2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Hydroxycancrinite
Na
 
8
[(OH)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
[Cl
 
4
|(SO
 
4
)
 
5
|(Al
 
6
Si
 
6
O
 
24
)
 
3
]
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
[Cl
 
2
|SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Pitiglianoite
Na
 
6
K
 
2
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
[Cl
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Sacrofanite
(Na,K)
 
98
Ca
 
20
(Si
 
84
Al
 
84
O
 
336
)(SO
 
4
)
 
26
Cl
 
2
·8H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
[Cl|(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
[(SO
 
4
,CO
 
3
)|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Marinellite
(Na,K)
 
42
Ca
 
6
[Cl
 
2
|(SO
 
4
)
 
8
|(Al
 
6
Si
 
6
O
 
24
)
 
6
] · 3 H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
[(SO
 
4
)
 
12
|Al
 
42
Si
 
42
O
 
168
] · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
[Cl
 
6
|(SO
 
4
)
 
6
|(Al
 
6
Si
 
6
O
 
24
)
 
4
]
9.FB.05Fantappièite
[Na
 
82.5
Ca
 
33
K
 
16.5
]
 
132
(Si
 
99
Al
 
99
O
 
396
)(SO
 
4
)
 
33
·4H
 
2
O
9.FB.05Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
9.FB.05IMA2009-028
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
)·3.5H
 
2
O
9.FB.10Bicchulite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Genthelvite
Zn
 
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Haüyne
(Na,Ca)
 
4-8
[Al
 
6
Si
 
6
(O,S)
 
24
](SO
 
4
,Cl)
 
1-2
9.FB.10Helvite
Mn
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Kamaishilite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Lazurite
(Na,Ca)
 
8
[(S,SO
 
4
,Cl
 
2
)|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Nosean
Na
 
8
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Sodalite
Na
 
8
[Cl
 
2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Tsaregorodtsevite
N(CH
 
3
)
 
4
[AlSi
 
5
O
 
12
]
9.FB.10Tugtupite
Na
 
4
[Cl|BeAlSi
 
4
O
 
12
]
9.FB.10Helvine
9.FB.15Marialite
Na
 
4
[Cl|(AlSi
 
3
O
 
8
)
 
3
]
9.FB.15Meionite
Ca
 
4
[CO
 
3
|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
9.FB.15Silvialite
(Ca,Na)
 
4
[(SO
 
4
,CO
 
3
)|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
Related Minerals - Hey's Index Grouping:

- +
17.9.1Lazurite
(Na,Ca)
 
8
[(S,SO
 
4
,Cl
 
2
)|Al
 
6
Si
 
6
O
 
24
]
17.9.2Jasmundite
Ca
 
11
[O
 
2
|S|(SiO
 
4
)
 
4
]
17.9.3Genthelvite
Zn
 
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
17.9.4Helvite
Mn
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]

Other Names for Danalite

Other Languages:
German:Danalit
Russian:Даналит
Spanish:Danalita

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 Danalite

Reference List:Sytle M. Antao, Ishmael Hassan, and John B. Parise (2004), The structure of danalite at high temperature obtained from synchrotron radiation and Rietveld refinements, Canadian Mineralogist: 41: 1413-1422.

American Mineralogist: 70: 186-192.

Internet Links for Danalite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Danalite in the Natural History Museum (London) online catalogue
  • Danalite details from Handbook of Mineralogy (PDF)
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    Localities for Danalite

    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.
    (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.
    Australia
     
    • South Australia
      • Olary Province
        • Kalabity homestead area
    		No reference listed
        • Plumbago homestead
    		No reference listed
    • Tasmania
      • Hampshire district
        • Kara Mines
    		Whitehead, 1990; Ralph Bottril 6/10/2005.
      • Heazlewood district
        • Luina
    		http://www.crocoite.com/mainadit/luina.htm
      • Rosebery district
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
        • Rosebery
      • Waratah district
        • Mt Ramsay
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    Austria
     
    • Lower Austria
      • Waldviertel
        • Waidhofen an der Thaya
          • Pfaffenschlag
    		KOLLER, F. & G. NIEDERMAYR (1978): Die Mineralvorkommen der Diorite des nördlichen Waldviertels. – Annal. Naturhist. Mus. Wien, 82: 193-208.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • British Columbia
      • Liard Mining Division
        • McDame area
    		Thompson, R. M. Danalite from British Columbia Canadian Mineralogist; December 1957; v. 6; no. 1; p. 68-71
    Japan
     
    • Honshu Island
      • Chugoku region
        • Hiroshima prefecture
          • Hiba-gun
            • Saijo
    		Natural History Museum Vienna collection; Dr. Matsuo Nambu collection (curated by the Geological Survey of Japan)
        • Yamaguchi Prefecture
          • Iwakuni City
    		Econ Geol (1980) 75:1066-1082
      • Kinki Region
        • Kyoto Prefecture
          • Kameoka City
    		Tsuruta et al. (2005) Chigaku Kenkyu, 54, 89-93.
    Kazakhstan
     
    • Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast')
    		P.M. Kartashov data
    Russia
     
    • Northern Region
      • Karelia Republic
        • Ladoga Region
          • Pitkyaranta (Pitkäranta) District
    		No reference listed
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ilmen Mts
            • Ilmen Natural Reserve
              • Lake Ishkul'
    		Am. Min. 90:1402-1412 (2005)
    Somalia
     
    • Hiiraan Region
    		Min Mag 1996, v. 60, 375-78
    Sweden
     
    • Västmanland
      • Lindesberg
    		Kjell Gatedal
      • Ljusnarsberg
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
    Econ Geol (1992) 87:1624-1634
    UK
     
    • England
      • Cornwall
        • Camborne - Redruth - St Day District
          • Carn Brea area
            • East Pool and Agar Mine
    		No reference listed
        • St Austell District
          • Lanivet Area
            • Lanivet
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
            • Lanlivery
    		No reference listed
        • St Just District
          • Botallack - Pendeen Area
    		UKJMM 26:27-28
            • Trewellard
    		No reference listed
        • Wendron & Falmouth District
          • Helford - Falmouth Area
            • Falmouth
    		(Ryback et al. 1998, 2001)
    • Northern Ireland
      • Co. Down
        • Mourne Mts
          • Newcastle
    		Green, D.I., Bell, R. & Moreton, S. (2005) UK J. Mines & Minerals, No. 25, p.25-30.
    USA
     
    • Arizona
      • Yavapai Co.
        • Black Hills (Black Hill Range)
          • Verde District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 198.
    • Colorado
      • El Paso Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    Rocks & Minerals (Sept. 2001)
    • Massachusetts
      • Essex Co.
    		Palache, C. (1907): Phenakite as an Alteration Product of Danalite From Gloucester, Mass. (American Journal of Science 24:252-255); Yale Peabody Museum no. 3290.
    P Cristofono collection, 2009
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Yale Peabody Museum no. 777; Sears, J. H.(1905): The Physical Geography, Geology, Mineralogy and Paleontology of Essex County.
    • New Hampshire
      • Carroll Co.
        • Albany
    		Rocks & Min. July-Aug 2005
    Rocks & Minerals 80:4 pp242-261
    Rocks & Minerals 80:4 pp242-261
    No reference listed
        • Bartlett
    		No reference listed
        • Jackson
    		Art Smith (2001) Mineral News, 17, #3, 1-7.
        • Madison
    		Rocks & Min 80:245
      • Grafton Co.
        • Bethlehem
    		Rocks & Minerals Vol.65 No.4
    • New Mexico
      • Luna Co.
    		http://geoinfo.nmt.edu/staff/dunbar/abstract/dm99.html.
      • Sierra Co.
    		Minerals of New Mexico 3rd ed.
      • Taos Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Minerals of New Mexico 3rd ed.
    • Rhode Island
      • Providence Co.
        • Cumberland
    		Miller, C. E. (1971) Rhode Island Minerals and their Localities, O. D. Hermes, Ed., University of Rhode Island, Kingston
    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. Current server date and time: 20th Oct 2009 17:24:43