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James Dwight Dana
Pink, grey, yellow, ...
Vitreous, Greasy
5½ - 6
Member of:
Named after James Dwight Dana (1813-1895) American mineralogist and geologist, Yale University.

Classification of Danalite

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

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species

17 : Silicates Containing other Anions
9 : Silicates with sulphide or sulphite

Physical Properties of Danalite

Vitreous, Greasy
Diaphaneity (Transparency):
Pink, grey, yellow, reddish brown, red
Hardness (Mohs):
5½ - 6
Poor on {111}{111}
Irregular/Uneven, Sub-Conchoidal
3.28 - 3.46 g/cm3 (Measured)    3.36 g/cm3 (Calculated)

Optical Data of Danalite

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

Chemical Properties of Danalite

Elements listed in formula:
Common Impurities:

Crystallography of Danalite

Crystal System:
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)
Octahedral and dodecahedral crystals to 10cm.

Occurrences of Danalite

Type Occurrence of Danalite

Relationship of Danalite to other Species

Forms a series with Genthelvite (see here)
Forms a series with Helvine (see here)
Member of:
Other Members of Group:
9.FB.05Bystrite(Na,K)7Ca(Si6Al6)O24(S3)1.5 · H2O
9.FB.05Cancrinite(Na,Ca,◻)8(Al6Si6)O24(CO3,SO4)2 · 2H2O
9.FB.05CancrisiliteNa7(Si7Al5)O24(CO3) · 3H2O
9.FB.05Franzinite(Na,K)30Ca10(Si30Al30)O120(SO4)10 · 2H2O
9.FB.05GiuseppettiteNa42K16Ca6Si48Al48O192(SO4)10Cl2 · 5H2O
9.FB.05Hydroxycancrinite(Na,Ca,K)8(Al6Si6O24)(OH,CO3)2 · 2H2O
9.FB.05PitiglianoiteK2Na6(Si6Al6)O24(SO4) · 2H2O
9.FB.05Sacrofanite(Na,Ca)9(Si,Al)12O24(OH,SO4,CO3,Cl)4 · nH2O
9.FB.05Tounkite(Na,Ca,K)8(Si6Al6)O24(SO4)2Cl · 0.5H2O
9.FB.05VishneviteNa8(Al6Si6)O24(SO4) · 2H2O
9.FB.05MarinelliteNa42Ca6Al36Si36O144(SO4)8Cl2 · 6H2O
9.FB.05FarneseiteNa46Ca10(Si42Al42O168)(SO4)12 · 6H2O
9.FB.05Alloriite(Na,K,Ca)24(Na,Ca)4Ca4(Si,Al)48O96(SO4)4(SO3,CO3)2(OH,Cl)2 · 4(H2O,OH)
9.FB.05Fantappièite[Na82.5Ca33K16.5]Σ=132(Si99Al99O396)(SO4)33 · 6H2O
9.FB.05KyanoxaliteNa7(Al5-6Si6-7O24)(C2O4)0.5-1.0 · 5H2O
9.FB.05CarbobystriteNa8(Al6Si6O24)(CO3) · 4H2O
9.FB.05DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O; (x<0.5)
9.FB.05Kircherite(Na5Ca2K)(Si6Al6O24)(SO4)2 · 0.33H2O
9.FB.10LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2, S3,Cl,OH)2
9.FB.10NoseanNa8(Si6Al6)O24(SO4) · H2O
17.9.1LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2, S3,Cl,OH)2

Other Names for Danalite

Name in Other Languages:
Simplified Chinese:铍榴石

Other Information

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 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 URL:
Please feel free to link to this page.

Localities for Danalite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
  • Catamarca
    • Belén Department
      • Papachacra
Rocks & Min. (2007) 82:234-235
  • South Australia
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
No reference listed
      • Mt Victor Plumbago Station
No reference listed
  • Tasmania
    • Burnie City
      • Hampshire district
        • Kara Mines
Whitehead, 1990; Ralph Bottrill 6/10/2005.
    • Waratah-Wynyard municipality
      • Heazlewood district
        • Luina
      • Waratah district
        • Mt Ramsay
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    • West Coast municipality
      • 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
  • 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.
  • 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)
  • Goiás
    • Cavalcante
      • Vaca Velha
Bilal, E. (2013). Geochimie Et Conditions De Cristallisation Des Mineraux Du Groupe Dd L’Helvite. Revista Geonomos, 2(2)p1-13
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.
  • 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
  • Yukon
    • Watson Lake Mining District
Layne, G.D. and and Spooner, E.T.C. (1988): The Geology and Mineralogy of the JC Tin Skarn, Yukon Territory, Canada. In: Hutchison, C. S., Ed.: Geology of Tin Deposits in Asia and the Pacific, Springer Verlag, Berlin, pp. 163-184.
      • Seagull Batholith
Layne, G. D., & Spooner, E. T. C. (1988). The Geology and Mineralogy of the JC Tin Skarn, Yukon Territory, Canada. In Geology of Tin Deposits in Asia and the Pacific (pp. 163-184). Springer Berlin Heidelberg.
  • 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; Pavel Kartashov analysis on an alleged "genthelvite".
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • South Bohemia Region
      • Písek
Cempírek, J., Cícha, J., Všianský, D.: Bertrandit a další minerály Be. Minerál, 2009, roč. 17, speciál, s. 48-53.
  • Northern Finland Region
    • Kajaani
      • Vuolijoki
Marmo, Vladi et al 1966. On the granites of Honkamäki and Otanmäki, Finland, with special reference to the mineralogy accessories. Bulletin de la Commission Géologique de Finlande n:o 221, 34p. illus.
  • Southern Finland Region
    • Myrskylä
Mattila, E., 1983. Be-Ta pitoisen pegmatiitin tutkimukset, Rautaruukki oy, N:o OU 9/83
  • Southwestern Finland Region
    • Eurajoki
Al-Ani, Thair and Sarapää, Olla 2011.REE Geochemistry and Mineralogy of Tin-bearing Greisens and Wall Rocks in Eurajoki Rapakivi granite, SW Finland.Julkaisusarja: GTK:n arkistoraportit.
  • 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)
        • Mihara City
Yoshikazu Aoki, Noboru Hida (1974) Geology and Genesis of Beryllium Ore Deposit, Mihara Mine, Hiroshima Prefecture, Japan. Mining Geology 24:201-211
      • Yamaguchi Prefecture
        • Iwakuni City
Econ Geol (1980) 75:1066-1082
    • Kinki Region
      • Hyogo Prefecture
        • Asago City
          • Ikuno-cho-ono
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
      • Kyoto Prefecture
        • Kameoka City
Tsuruta et al. (2005) Chigaku Kenkyu, 54, 89-93.
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
P.M. Kartashov data
  • Chihuahua
    • Mun. de Aquiles Serdán
Museum of Natural History London analysis
  • Buskerud
    • Øvre Eiker
      • Gunhildrud
Sunde, Ø., Selbekk, R.S., Friis, H. & Andersen, T. (2013): Bakstevalåsen, en unik Be-Sn-B pegmatitt. Norsk Bergverksmuseum Skrift 50, 43-48
  • 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.
  • Eastern-Siberian Region
    • Tuva Republic
USGS Open File Report 2005-1252 p120
  • Northern Region
    • Karelia Republic
      • Ladoga Region
        • Pitkyaranta District (Pitkäranta District)
No reference listed
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Ilmen Mts
          • Ilmen Natural Reserve
            • Lake Ishkul'
Am. Min. 90:1402-1412 (2005)
  • Hiiraan Region
Min Mag 1996, v. 60, 375-78
  • Södermanland
    • Nynäshamn
Otter, B. (1990). Nye mineral från Stora Vika. Stuffen (Medlemsblad för Södertörn Amatörgeologiska Sällskap). Nr 40 (Mar. 1990), 13
  • 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
  • England
    • Cornwall
      • Camborne - Redruth - St Day District
        • Carn Brea
          • East Pool and Agar Mine
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
      • St Austell District
        • Lanivet
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
        • Lostwithiel
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
      • St Just District
        • St Just
          • Botallack
            • Cliff outcrops
Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
          • Trewellard
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
      • Wendron & Falmouth District
        • Mylor
(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.
  • 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; Barton, W. & C. E. Goldsmith (1968) New England Beryllium investigations. US Bureau Mines RI 7070
      • 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. Virginia T. McLemore, Nelia Dunbar, Matt T. Heizler, Kelly Donahue (2000): Geology and mineral deposits of the Victorio mining district, Luna County , New Mexico- Preliominary observations, New Mexico Geologic Society Guidebook, 51st field Conference, Southwest passage – A trip through the Phanerozoic, pp267-278
    • 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
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