Sannaite
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A lampropyre with plagioclase>K-feldspar and feldspars > feldspathoid
Classification of Sannaite
Mineralogy of Sannaite
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase | A petrological term for Albite-Anorthite Series. |
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 |
Feldspar > Alkali Feldspar > K Feldspar | Potassium-dominant feldspars with unknown crystal symmetry and Al-Si ordering state. |
Feldspathoid | A family of rock-forming minerals consisting of aluminosilicates of sodium, potassium, or calcium and having too ... |
Mica | A petrological term for Mica Group. |
Synonyms of Sannaite
References for Sannaite
Reference List:
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Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press
Internet Links for Sannaite
mindat.org URL:
https://www.mindat.org/min-48070.html
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