Monchiquite
A rock classification type
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About Monchiquite
Name:
Its name is derived from Serra de Monchique, Portugal.
A lampropyre with feldspathoid and no feldspars.
A lamprophyre containing phenocrysts of olivine, clinopyroxene, and typically biotite or amphibole (barkevikite), in a groundmass of glass or analcime, often highly altered. Nepheline or leucite may be present.
Ref: AGI
A lamprophyre containing phenocrysts of olivine, clinopyroxene, and typically biotite or amphibole (barkevikite), in a groundmass of glass or analcime, often highly altered. Nepheline or leucite may be present.
Ref: AGI
Unique Identifiers
Mindat ID:
48069
Long-form identifier:
mindat:1:1:48069:1
Classification of Monchiquite
Mineralogy of Monchiquite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspathoid | A family of rock-forming minerals consisting of aluminosilicates of sodium, potassium, or calcium and having too ... |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Amphibole | (Na, K, ◻)(Ca,Na)2(Mg,Fe,Al)5((Si,Al)8O22)(OH,F,Cl,O)2 |
| Mica | A petrological term for Mica Group. |
Synonyms of Monchiquite
Internet Links for Monchiquite
mindat.org URL:
https://www.mindat.org/min-48069.html
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Eichelspitze, Eichstetten am Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany