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Danalite

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Big Photo

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

Show Danalite Photos (29)



Formula:
Fe
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
System:IsometricColour:Pink, grey, yellow, ...
Lustre:Vitreous, GreasyHardness:5½ - 6
Member of:Helvine Group
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
Si
 
3
O
 
12
)S
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 Helvine (see here)
Member of:Helvine Group
Other Members of Group:

- +
Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
Helvine
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
Related Minerals - Nickel-Strunz Grouping):

- +
9.FB.05Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca(Al
 
6
Si
 
6
O
 
24
)(S
 
3
)
 
1.5
 · H
 
2
O
9.FB.05Cancrinite
(Na,Ca,☐)
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
,SO
 
4
)
 
2
 · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
(Al
 
5
Si
 
7
O
 
24
)(CO
 
3
) · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
9.FB.05Hydroxycancrinite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(OH)
 
2
 · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
9.FB.05Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)Cl
 
4
9.FB.05Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
Cl · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
9.FB.05Marinellite
(Na,K)
 
42
Ca
 
6
(Al
 
6
Si
 
6
O
 
24
)
 
6
(SO
 
4
)
 
8
Cl
 
2
 · 3H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
(Al
 
6
Si
 
6
O
 
24
)
 
7
(SO
 
4
)
 
12
 · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
(Al
 
6
Si
 
6
O
 
24
)
 
4
(SO
 
4
)
 
6
Cl
 
6
9.FB.05Fantappièite
[Na
 
82.5
Ca
 
33
K
 
16.5
](Si
 
99
Al
 
99
O
 
396
)(SO
 
4
)
 
33
 · 4H
 
2
O
9.FB.05Kyanoxalite
Na
 
7
(Al
 
6-x
Si
 
6+x
O
 
24
)(C
 
2
O
 
4
)
 
0.5+x
 · 5H
 
2
O (0 < x < 0.5)
9.FB.05Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
9.FB.05Carbobystrite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
) · 3.5H
 
2
O
9.FB.05Depmeierite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(PO
 
4
,CO
 
3
)
 
1-x
 · 3H
 
2
O (x<0.5)
9.FB.05Kircherite
Na
 
5
Ca
 
2
K(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.33H
 
2
O
9.FB.10Bicchulite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
(O,S)
 
24
)(SO
 
4
,Cl)
 
1-2
9.FB.10Helvine
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Kamaishilite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Lazurite
(Na,Ca)
 
8
(Al
 
6
Si
 
6
O
 
24
)(S,SO
 
4
,Cl
 
2
)
9.FB.10Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
9.FB.10Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
9.FB.10Tsaregorodtsevite
(N(CH
 
3
)
 
4
)(AlSi
 
5
O
 
12
)
9.FB.10Tugtupite
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
9.FB.15Marialite
Na
 
4
Al
 
3
Si
 
9
O
 
24
Cl
9.FB.15Meionite
Ca
 
4
Al
 
6
Si
 
6
O
 
24
CO
 
3
9.FB.15Silvialite
(Ca,Na)
 
4
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
)
Related Minerals - Hey's Index Grouping:

- +
17.9.1Lazurite
(Na,Ca)
 
8
(Al
 
6
Si
 
6
O
 
24
)(S,SO
 
4
,Cl
 
2
)
17.9.2Jasmundite
Ca
 
11
(SiO
 
4
)
 
4
O
 
2
S
17.9.3Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
17.9.4Helvine
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S

Other Names for Danalite

Other Languages:
German:Danalit
Danalith
Russian:Даналит
Simplified Chinese:铍榴石
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
  • Danalite details from Handbook of Mineralogy (PDF)
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    • Localities for Danalite

    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.
    Argentina
     
    • Catamarca
      • Belen Department
        • El Portezuelo Granite
    		Rocks & Min. (2007) 82:234-235
    Australia
     
    • South Australia
      • Olary Province
        • Kalabity homestead area
    		No reference listed
        • Plumbago Station
    		No reference listed
    • Tasmania
      • Hampshire district
        • Kara Mines
    		Whitehead, 1990; Ralph Bottrill 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
    		Bottrill, R.S. & Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Bull. 73. Tasmanian Geological Survey
      • Waratah district
        • Mt Ramsay
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    • Western Australia
      • Coolgardie Shire
        • Coolgardie
    		Grguric, B. A. & Downes, P. J. (2008): Pegmatite minerals from the Barabara mine, Coolgardie, Western Australia. Australian J. of Mineralogy 14, 55-60.
    Austria
     
    • Lower Austria
      • Waldviertel
        • Pfaffenschlag bei Waidhofen an der Thaya
          • Artolz (Artholz)
    		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)
    Brazil
     
    • Goiás
      • Cavalcante
        • Vaca Velha
    		Raimbault, L. and Bilal, E. (1993) Trace-element contents of helvite-group minerals from metasomatic albitites and hydrothermal veins at Sucuri, Brazil, and Dajishan, China. Canadian Mineralogist, 31, 119-127.
    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
    China
     
    • Hunan Province
      • Chenzhou Prefecture
        • Yizhang Co.
          • Dongpo ore field
    		Yuzhou Li (1990): Geology and Prospecting 26(6), 29-35
    • Inner Mongolia Autonomous Region
      • Ulanhad League (Chifeng Prefecture)
        • Hexigten Banner (Keshiketeng Co.)
    		Ottens, B., and Neumeier, G. (2012): Mineralogical Record 43, 529-563
    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
     
    • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    		P.M. Kartashov data
    Norway
     
    • Nordland
      • Rana
    		Grauch et al. (1994): Høgtuvaite, a new beryllian member of the aenigmatite group fom Norway, with x-ray data on aenigmatite. Canadian Mineralogist. 32: 439-448.
    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
          • Illogan
            • East Pool and Agar Mine
    		No reference listed
        • St Austell District
          • Lanivet
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
          • Lostwithiel
    		No reference listed
        • St Just District
          • St Just
            • Botallack
              • Cliff outcrops
    		Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
            • 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
    Sears, John Henry (1905): The Physical Geography, Geology, Mineralogy and Paleontology of Essex County
    P. Cristofono collection
    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.
    McKinstry, H. E. (1921): The Minerals of Rockport, Massachusetts (American Mineralogist 6:56-60).
    • New Hampshire
      • Carroll Co.
        • Albany
    		Rocks & Minerals 80:4 pp242-261; Rocks and Minerals, (1990) 65:286-296
    No reference listed
          • SSW of Blackberry Crossing
            • Blue Mountain
    		Rocks & Minerals 80:4 pp242-261; Rocks & Min. July-Aug 2005
        • Bartlett
    		Yuzhou Li (1990): Geology and Prospecting 26(6), 29-35; Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636
        • Hale's Location
    		Rocks and Minerals, (1990) 65:286-296
        • Jackson
    		Art Smith (2001) Mineral News, 17, #3, 1-7.; USGS Bull 1312D
        • Madison
    		Rocks & Min 80:245; USGS Bull 1312D
      • Grafton Co.
        • Bethlehem
    		Rocks & Minerals Vol.65 No.4; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
    • New Mexico
      • Luna Co.
    		http://geoinfo.nmt.edu/staff/dunbar/abstract/dm99.html.
      • Sierra Co.
    		Minerals of New Mexico 3rd ed.; USGS Bull 945C
      • 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; Rocks & Minerals (1986): 61: 286-289
    Mineral and/or Locality
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