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Myrmekite

A mixture of two or more distinct mineral species

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Almandine, etc.

Rognstranda, Bamble, Vestfold og Telemark, Norway

Myrmekite, etc.

Kreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany

Almandine, etc.

Rognstranda, Bamble, Vestfold og Telemark, Norway

Myrmekite, etc.

Kreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany

Almandine, etc.

Rognstranda, Bamble, Vestfold og Telemark, Norway

Myrmekite, etc.

Kreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany

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About MyrmekiteHide

An intergrowth of plagioclase feldspar (commonly oligoclase) and vermicular quartz, generally replacing potassium feldspar; formed during the later stages of consolidation in an igneous rock or during a subsequent period of plutonic activity. The quartz occurs as blobs.

Unique IdentifiersHide

Mindat ID:

55154

Long-form identifier:

mindat:1:1:55154:6

GUID
(UUID V4):

495a79d5-a139-4348-b064-7e2d5ac23b92

Common AssociatesHide

Associated Minerals Based on Photo Data:

2 photos of Myrmekite associated with Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
2 photos of Myrmekite associated with Quartz	SiO₂
2 photos of Myrmekite associated with Pyroxene Group	ADSi₂O₆

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 MyrmekiteHide

mindat.org URL:

https://www.mindat.org/min-55154.html
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References for MyrmekiteHide

Reference List:

Localities for MyrmekiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Antarctica
South Orkney Islands ⓘ Coronation Island	Thomson, Janet W. (1974) The Geology of the South Orkney Islands: III Coronation Island. British Antarctic Survey Scientific Reports No.86.

Comoros
ⓘ Mohéli	2 Strong, D. F. (1972). Petrology of the island of Moheli, western Indian Ocean. Geological Society of America Bulletin, 83(2), 389-406. doi.org/10.1130/0016-7606(1972)83[389:POTIOM]2.0.CO Upton, B. G. J. (1982). Oceanic islands. In The Ocean Basins and Margins (pp. 585-648). Springer, Boston, MA. Emerick, C. M., & Duncan, R. A. (1982). Age progressive volcanism in the Comores Archipelago, western Indian Ocean and implications for Somali plate tectonics. Earth and Planetary Science Letters, 60(3), 415-428. doi.org/10.1016/0012-821X(82)90077-2 Nougier, J., Cantagrel, J. M., & Karche, J. P. (1986). The Comores archipelago in the western Indian Ocean: volcanology, geochronology and geodynamic setting. Journal of African Earth Sciences (1983), 5(2), 135-145. doi.org/10.1016/0899-5362(86)90003-5 Spāth, A., Roex, A. P. L., & Duncan, R. A. (1996). The Geochemistry of Lavas from the Gomores Archipelago, Western Indian Ocean: Petrogenesis and Mantle Source Region Characteristics. Journal of Petrology, 37(4), 961-991. doi.org/10.1093/petrology/37.4.961

Greenland
Kujalleq ⓘ Alangorssuaq	Harry, W. T., & Soen, O. I. (1964). The pre-cambrian basement of Alángorssuaq, South Greenland and its copper mineralization at Josvaminen: Grønlands geologiske undersøgelse. Reitzel.

Ireland
Leinster ⓘ Leinster Batholith	Barros, Renata, David Kaeter, Julian F. Menuge, Thomas Fegan, and John Harrop. (2022) "Rare Element Enrichment in Lithium Pegmatite Exomorphic Halos and Implications for Exploration: Evidence from the Leinster Albite-Spodumene Pegmatite Belt, Southeast Ireland" Minerals 12, no. 8: 981. https://doi.org/10.3390/min12080981

Namibia
Erongo Region Arandis Constituency ⓘ Husab Mine	Li, Shan-Shan, Wei Zeng, Huai-Feng Zhang, Lu Wang, Espine T. Shivute, and Kun-Feng Qiu. (2022) "Fractional Crystallization and Partial Melting of the Paleoproterozoic Gneisses and Pegmatite in the Giant Husab Uranium Deposit, Namibia" Minerals 12, no. 3: 379. https://doi.org/10.3390/min12030379
Dâures Constituency ⓘ Okenyenya Complex	Simpson, E.S.W. 1954. The Okenjeje igneous complex, South-West Africa. Transactions of the Geological Society of South Africa, 57, 125-173. Watkins, R. T., & Le Roex, A. P. (1991). Petrology and structure of syenite intrusions of the Okenyenya igneous complex. Communications of the Geological Survey Namibia, 7, 55-70. http://www.mme.gov.na/files/publications/433_Watkins%20and%20le%20Roex_Okonyenya%20IC.pdf Milner, S. C., Le Roex, A. P., & Watkins, R. T. (1993). Rb-Sr age determinations of rocks from the Okenyenya igneous complex, northwestern Namibia. Geological Magazine, 130(3), 335-343. doi.org/10.1017/S001675680002001X Watkins, R. T., & Le Roex, A. P. (1994). A reinvestigation of the Okenyenya igneous complex: a new geological map, structural interpretation and model of emplacement. Communications of the Geological Survey of Namibia, 9, 13-21. http://www.mme.gov.na/files/publications/09b_Watkins%20and%20Le%20Roex_Okonyenya%20IC.pdf Watkins, R. T., McDougall, I., & Le Roex, A. P. (1994). K-Ar ages of the Brandberg and Okenyenya igneous complexes, north-western Namibia. Geologische Rundschau, 83(2), 348-356. doi.org/10.1007/BF00210550 Le Roex, A. P., & Lanyon, R. (1998). Isotope and trace element geochemistry of Cretaceous Damaraland lamprophyres and carbonatites, northwestern Namibia: Evidence for plume—lithosphere interactions. Journal of Petrology, 39(6), 1117-1146. doi.org/10.1093/petroj/39.6.1117

Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Niemcza Gilów ⓘ Gilów talc deposit	Gil, G., Borowski, M. P., Barnes, J. D., Jokubauskas, P., Bagiński, B., Gunia, P., & Ilnicki, S. (2022). Formation of serpentinite-hosted talc in a continental crust setting: Petrographic, mineralogical, geochemical, and O, H and Cl isotope study of the Gilów deposit, Góry Sowie Massif (SW Poland). Ore Geology Reviews, 146, 104926.

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