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Smaragdite

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About SmaragditeHide

Formula:
Ca2(Mg,Fe2+,Cr)5Si8O22(OH)2
Colour:
Emerald green
Lustre:
Vitreous
Name:
From "Smaragdos" - emerald after its colour.
A variety of Actinolite

An emerald green variety of actinolite, owing its colour to a faint chromium content.

Visit gemdat.org for gemological information about Smaragdite.


Physical Properties of SmaragditeHide

Vitreous
Colour:
Emerald green
Streak:
white
Cleavage:
Perfect

Chemical Properties of SmaragditeHide

Formula:
Ca2(Mg,Fe2+,Cr)5Si8O22(OH)2

Other Language Names for SmaragditeHide

German:Smaragdit
Spanish:Smaragdita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ruby3 photos of Smaragdite associated with Ruby on mindat.org.
Anthophyllite1 photo of Smaragdite associated with Anthophyllite on mindat.org.
Talc1 photo of Smaragdite associated with Talc on mindat.org.

Other InformationHide

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

Smaragdite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for SmaragditeHide

Localities for SmaragditeHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Lower Austria
    • Mostviertel
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Salzburg
    • Hohe Tauern
      • Habach Valley
        • Nasenkopf
          • Leckbachgraben (Leckbachrinne)
H Neutkens collection
  • Styria
    • Leoben
Aufschluss 1972(SB), 80-83
      • St Stefan ob Leoben
Offenbacher (1983)
China
 
  • Xinjiang Autonomous Region
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Tacheng Prefecture (Tarbaghatay Prefecture)
        • Tuoli Co. (Toli Co.)
          • Sartohay (Sartokay; Sartuohai; Saertuohai)
Zhou, M.-F., Robinson, P.T., Malpas, J., Sun, M., Aitchison, J., Bai, W.J., Hu, X.-F., and Yang, J.-S. (2001): Journal of Asian Earth Sciences 19(4), 517-534.
France
 
  • Brittany
    • Côtes-d'Armor
      • Calanhel
  • Corsica
    • Haute-Corse
      • Corte
        • Piedicroce
Italy
 
  • Liguria
    • La Spezia Province
Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia
  • Tuscany
    • Pisa Province
      • Pomarance
Nannoni R., Capperi M., 1985. I minerali della "Sorgente Solfurea" di Micciano (PI). Quad. Mus. Storia Nat. Livorno, 6: 11-25.; Duchi G. (1983) - Il deposito antimonifero di Micciano(Comune di Pomarance, Pisa)- Atti Società Toscana di Scienze Naturali - Memorie, serie A, 90, pp. 141-163
Norway
 
  • Nordland
    • Rana
      • Altermark area
Birtel, S. (2002): Fluid-rock interaction on alpine- type ultramafic rocks from the Norwegian Caledonides. Dissertation zur Erlangung des Doktorgrades der Geowissenschaftlichen Fakultät der Albert-Ludwigs Universität Freiburg i.Br.
  • Troms
    • Nordreisa
Bøe, P. (1976): Geology of the troctolitic complex of Raisduoddar-Hal'di, Troms, northern Norway. Norges Geologiske Undersøkelse. 324: 29-46
  • Trøndelag
    • Steinkjer
      • Sparbu
Mortenson, M. (1973): Talk-serpentinforekomster i Sparbu, Nord-Trøndelag. Norges Geologiske Undersøkelse 290: 1-16
Philippines
 
  • Luzon
    • Central Luzon Region
      • Zambales Province
        • Santa Cruz
South-East Asian Oil, Gas, Coal, and Mineral Deposits, C. Hutchison,1996
Republic of Macedonia
 
  • Lipkovo
Hiessleitner, G. (1934): Einbruch von Granit und Andesit in Chromerze führenden Serpentin von Lojane, NNW Kumanovo in Südserbien. Zeitschrift für Praktische Geologie 42, 81-88.
UK
 
  • Scotland
    • South Ayrshire
http://jncc.defra.gov.uk/pdf/gcrdb/GCRsiteaccount2415.pdf
USA
 
  • California
Pelletier, 1962. Mineral Species & Localities of Marin County
  • North Carolina
    • Clay Co.
      • Buck Creek
Kunz,1892: Gems & Precious Stones of N. America, p.150.
Michael Streeter,2003, A Rockhounding Guide to North Carolinas Blue Ridge Mountains
[www.johnbetts-fineminerals.com]
Mineral and/or Locality  
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