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Gieseckite

A variety of Muscovite
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Gieseckite

Natural Bridge gieseckite locality, Natural Bridge, Wilna, Jefferson County, New York, USA
06671720017272282058981.jpg
Gieseckite

Natural Bridge gieseckite locality, Natural Bridge, Wilna, Jefferson County, New York, USA
06322740017272021735971.jpg
Gieseckite

Natural Bridge gieseckite locality, Natural Bridge, Wilna, Jefferson County, New York, USA
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About GieseckiteHide

02151220017272471586218.png
Karl Ludwig Giesecke
Formula:
KAl2(AlSi3O10)(OH)2
Name:
Named for Karl Ludwig Giesecke (1761-1833), German actor, polar explorer and mineralogist.
Pseudomorphs of muscovite after an unknown mineral.

Compare also liebenerite.


Unique IdentifiersHide

Mindat ID:
35867 (as Gieseckite)
2815 (as Muscovite)
Long-form identifier:
mindat:1:1:35867:5 (as Gieseckite)
mindat:1:1:2815:4 (as Muscovite)

Similar NamesHide

GieseckitA synonym of Nepheline(Na,K)AlSiO4
GiuşcăiteA valid IMA mineral speciesAg2Tl4Pb4As20Sb2S40

Chemistry of GieseckiteHide

Mindat Formula:
KAl2(AlSi3O10)(OH)2
Element Weights:
Element% weight
O48.202 %
Si21.154 %
Al20.322 %
K9.816 %
H0.506 %

Calculated from ideal end-member formula.
Elements listed:
Al, H, K, O, Si - search for minerals with similar chemistry

RadioactivityHide

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 GieseckiteHide

References for GieseckiteHide

Reference List:

Localities for GieseckiteHide

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.
Canada
 
  • Ontario
    • Hastings County
      • Town of Bancroft
        • Dungannon Township
Hewitt D. F. and James W. (1955)
www.geologyontario.mndm.gov.on.ca (n.d.)
www.geologyontario.mndm.gov.on.ca (n.d.)
Greenland
 
  • Kujalleq
    • Tuttutooq
Upton et al. (1985)
USA
 
  • New York
    • Jefferson County
      • Wilna
        • Natural Bridge
Robinson et al. (2007)
Quick NavTopAbout GieseckiteUnique IdentifiersSimilar NamesChemistry RadioactivityOther InformationInternet Links References Localities Locality List
 
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