Alurgite (original) (raw)
A variety of Muscovite
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Praborna Mine, Saint-Marcel, Aosta Valley, Italy
Ouro Preto, Minas Gerais, Brazil
North Bay area, Nipissing District, Ontario, Canada
Praborna Mine, Saint-Marcel, Aosta Valley, Italy
Ouro Preto, Minas Gerais, Brazil
North Bay area, Nipissing District, Ontario, Canada
Praborna Mine, Saint-Marcel, Aosta Valley, Italy
Ouro Preto, Minas Gerais, Brazil
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About AlurgiteHide
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Formula:
K(Al,Mn3+)2(AlSi3O10)(OH)2
Colour:
Purple, reddish
A variety of Muscovite
Name introduced by Breithaupt in 1865 and characterized by Penfield in 1893 (vide Knurr and Bailey, 1986). Placed by W. T. Schaller (1950) as an intermediate between leucophyllite (now a synonym of aluminoceladonite) and muscovite. A study of Knurr and Bailey (1986) showed that alurgite, treated as Mn-bearing muscovite-2_M_1, contains trivalent manganese (in contrast to "manganophyllite" that contains divalent Mn).
Visually indistinguishable from Mn-bearing phlogopite.
Unique IdentifiersHide
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Mindat ID:
163 (as Alurgite)
2815 (as Muscovite)
Long-form identifier:
mindat:1:1:163:4 (as Alurgite)
mindat:1:1:2815:4 (as Muscovite)
GUID
(UUID V4):
90431b93-8b93-4be6-a4a9-67ee37332ada (as Alurgite)
6555d00d-e8c3-4485-9209-15e6b685a47f (as Muscovite)
Physical Properties of AlurgiteHide
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Colour:
Purple, reddish
Chemistry of AlurgiteHide
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Mindat Formula:
K(Al,Mn3+)2(AlSi3O10)(OH)2
Elements listed:
Al, H, K, Mn, O, Si - search for minerals with similar chemistry
Other Language Names for AlurgiteHide
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German:Alurgit
Simplified Chinese:锰云母
Spanish:Alurgita
Common AssociatesHide
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Associated Minerals Based on Photo Data:
| 5 photos of Alurgite associated with Violan | CaMgSi2O6 |
|---|---|
| 2 photos of Alurgite associated with Calcite | CaCO3 |
| 2 photos of Alurgite associated with Braunite | Mn2+Mn3+6(SiO4)O8 |
| 2 photos of Alurgite associated with Piemontite | (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH) |
| 2 photos of Alurgite associated with Spessartine | Mn2+3Al2(SiO4)3 |
| 1 photo of Alurgite associated with Apatite | Ca5(PO4)3(Cl/F/OH) |
| 1 photo of Alurgite associated with Tweddillite | (CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH) |
| 1 photo of Alurgite associated with Strontium-bearing Piemontite | {(Ca,Sr)2}{Al2Mn3+}(Si2O7)(SiO4)O(OH) |
| 1 photo of Alurgite associated with Cryptomelane | K(Mn4+7Mn3+)O16 |
| 1 photo of Alurgite associated with Aegirine | NaFe3+Si2O6 |
Other InformationHide
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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 AlurgiteHide
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mindat.org URL:
https://www.mindat.org/min-163.html
Please feel free to link to this page.
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References for AlurgiteHide
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Reference List:
Localities for AlurgiteHide
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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
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- 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.