Donate now to keep alive!Help|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Actinolite-Tremolite Series

This page is currently not sponsored. Click here to sponsor this page.
Crystal System:
Series Formula:
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2 to ☐{Ca2}{Mg5}(Si8O22)(OH)2
A series between Actinolite and Tremolite

Tremolite is defined as having an Mg/(Mg+Fe2+) ratio ≥ 0.9; actinolite has a ratio of 0.5–0.9 and ferro-actinolite has a ratio of less than 0.5.

Hide all sections | Show all sections

Crystallography of Actinolite-Tremolite SeriesHide

Crystal System:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite8 photos of Actinolite-Tremolite Series associated with Calcite on
Vigezzite6 photos of Actinolite-Tremolite Series associated with Vigezzite on
Quartz6 photos of Actinolite-Tremolite Series associated with Quartz on
Hessonite6 photos of Actinolite-Tremolite Series associated with Hessonite on
Magnetite4 photos of Actinolite-Tremolite Series associated with Magnetite on
Pyrite2 photos of Actinolite-Tremolite Series associated with Pyrite on
Albite1 photo of Actinolite-Tremolite Series associated with Albite on
Grossular1 photo of Actinolite-Tremolite Series associated with Grossular on
Smoky Quartz1 photo of Actinolite-Tremolite Series associated with Smoky Quartz on
Diopside1 photo of Actinolite-Tremolite Series associated with Diopside on

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.

Internet Links for Actinolite-Tremolite SeriesHide

Localities for Actinolite-Tremolite SeriesHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Burra
Collection of Mark Willoughby
  • Carinthia
    • Karawanken
      • Bad Eisenkappel (Bad Eisenkappl)
        • Ebriach
C.Auer (2017)
  • Ontario
    • Haliburton Co.
      • Cardiff Township
Anne P. Sabina (1986) Rocks and Minerals for the Collector, Bancroft-Parry Sound and South Eastern Ontario
      • Dudley Township
Van King
      • Lutterworth Township
Canadian Museum of Nature data
    • Hastings Co.
      • Monteagle Township
        • Musclow Greenview Road roadcuts
Andrew Debnam collection
  • Québec
    • Outaouais
      • Gatineau TE
        • Gatineau Park
Matt Courville collection
  • Valparaíso Region
    • Petorca Province
Maksaev, V., Townley, B., Palacios, C., and Camus, F. (2007): Metallic ore deposits. In: Moreno, T., and Gibbons, W. (editors): The Geology of Chile. The Geological Society (London), pp. 414.
  • Auvergne-Rhône-Alpes
    • Savoie
      • La Lauzière massif
DE ASCENCAO GUEDES R.. (2000). La Lauzière : les espèces minérales, Savoie, France. Le Règne Minéral hors-série n°6, pp. 24-39. Editions du Piat.
DE ASCENCAO GUEDES R.. (2000). La Lauzière : les espèces minérales, Savoie, France. Le Règne Minéral hors-série n°6, pp. 24-39. Editions du Piat.
  • Saxony-Anhalt
    • Harz
      • Thale
        • Friedrichsbrunn
Thomas Lühr
  • Tuscany
    • Florence Province
      • Firenzuola
        • Futa Pass area
          • Monte Beni
Bardi, T., Becucci, A. & Biagioni, C. (2012): Monte Beni - I minerali dell'ex cava Fantoni (Pietramala, Firenzuola, Firenze). MICRO, 3/2012, 98-109.
    • Livorno Province
      • Elba Island
        • Rio Marina
Pandeli, E., Principi, G., Bortolotti, V., Benvenuti, M., Fazzuoli, M., Dini, A., Fanucci, F., Menna, F., Nirta, G. (2013): The Elba Island: an intriguing geological puzzle in the Northern Tyrrhenian Sea. 85° Congresso Nazionale della Società Geologica Italiana, Pisa 6-8 settembre 2010. Geological Field Trips, Vol. 5, No. 2.1, 144 pp.
    • Lucca Province
      • Garfagnana
        • San Romano Garfagnana
Biagioni, C. (2009). Minerali della Provincia di Lucca. Associazione Micro-Mineralogica Italiana, Cremona, 352 pp.
  • Buskerud
    • Kongsberg
Van der Wel, D. (1972): Contribution to the Mineralogy of Norway No. 51. Asbestos minerals from Kongsberg silver deposit. Norsk Geologisk Tidsskrift 52: 287-294
        • Overberget Mining Field
Nordrum, F.S.(1999): Nyfunn av mineraler i Norge 1998-1999. Norsk Bergverksmuseum Skrift 15: 87-90
  • Värmland
    • Filipstad
      • Persberg district
        • Pajsberg
Nysten, P. (1984): Kleinod des Nordens - Harstigen in Schweden. Magma 2/1984, 12-30.
  • Västmanland
    • Hällefors
      • Uvberget
Wilke, H.-J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, 370 pp. (p. 197-198)
Wilke, H.-J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, 370 pp. (p. 197-198)
    • Skinnskatteberg
      • Riddarhyttan
        • Bastnäs Mines
Holtstam, D., Bindi, L., Hålenius, U., Andersson, U.B. (2017): Delhuyarite-(Ce) Ce4Mg(Fe3+2W)□(Si2O7)2O6(OH)2 a new mineral of the chevkinite group, from the Nya Bastnäs Fe–Cu–REE deposit, Sweden. European Journal of Mineralogy, 29, 897-905
  • Wallis (Valais)
    • Binn Valley
"Amir Akhavan" collection
  • England
    • Cornwall
      • Lizard Peninsula
        • Grade-Ruan
          • Kennack
            • Kennack Cove (Kennack Sands)
Alysson Rowan Collection
  • California
    • Santa Cruz Co.
      • Santa Cruz Mts
        • Ben Lomond Mountain
Leo, G.W. (1967) The plutonic and metamorphic rocks of the Ben Lomond Mountain area, Santa Cruz County, California. California Division of Mines and Geology Special Report 91: 41; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 399.
  • Massachusetts
    • Middlesex Co.
P. Cristofono collection
P. Cristofono collection
  • Oregon
    • Coos Co.
      • Bandon
Alt, D., and Hyndman, D., 1978, Roadside Geology of Oregon: Missoula, Mountain Press, p. 97-98.
  • Washington
    • King Co.
      • North Bend
        • Hansen Creek
T Douglas Schonewald Collection
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: March 19, 2018 03:17:46 Page generated: March 17, 2018 18:03:57
Go to top of page