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Ledmorite

A rock subtype
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Name:
After the Ledmore River in Scotland.
A coarse-grained variety of nepheline syenite consisting of alkali feldspar, altered nepheline, melanite, pyroxene and biotite.


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Unique IdentifiersHide

Mindat ID:
55141
Long-form identifier:
mindat:1:1:55141:2

Classification of LedmoriteHide

Mineralogy of LedmoriteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Feldspathoid > NephelineNa3K(Al4Si4O16)
MelaniteCa3Fe3+2(SiO4)3
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
PyroxeneA petrological term for Pyroxene Group.

Internet Links for LedmoriteHide

References for LedmoriteHide

Localities for LedmoriteHide

Showing 3 localities.

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.
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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.
UK
 
  • Scotland
    • Highland
      • North， West and Central Sutherland
        • Assynt
Sabine (1952) +7 other references
Shand (1910) +1 other reference
Shand (1910) +1 other reference
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