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litchfieldite

Additional Functions

Additional information / Summary

Litchfieldit
Litchfieldit
Canaa Massiv, Rio de Janeiro, Brasilien
Copyright: Eurico Zimbres; Contribution: Collector
Image: 1344848888
License: Creative Commons - Attribution Share Alike (CC-BY-SA) V.3.0
Litchfieldit

Canaa Massiv, Rio de Janeiro, Brasilien

Eurico Zimbres

Grouping

Belonging to

Rocks  ⇒ igneous rocks and sediments  ⇒ crystalline igneous rocks  ⇒ normal crystalline rocks  ⇒ coarse-grained crystalline rocks  ⇒ foid-syenitic-rock  ⇒ foid-syenite  ⇒ nepheline-syenite

Other languages

German

Litchfieldit

English

litchfieldite

Detailed description

Litchfieldite is a rare igneous rock. It is a variety of nepheline syenite and is composed of two near pure phases of feldspar, albite and microcline, with predominance of the first one, plus nepheline, sodalite, cancrinite and calcite. The mafic minerals, when present, are magnetite and an iron rich biotite (lepidomelane).

The rock was named after its occurrence at Litchfield, Maine, USA, by Bayley in 1892

It is a very rare rock and also occurs in Blue Mountain and French River, Canada; Soroy and Val River, Norway; Cevadais, Portugal; Canaã, Boca Nova, Itajú da Colonia and Peixes, Brazil.

Gesteinszuordnungen (0)

IDs

GUSID (Global unique identifier short form) HyPWWIUCSEmliV_AAjthnA
GUID (Global unique identifier) 58D6231F-0285-4948-A589-5FC0023B619C
Database ID 516