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Cocite
A rock subtype
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A melanocratic leucite-rich lamprophyre largely composed of clinopyroxene and subordinate olivine in a matrix of alkali feldspar, leucite and clinopyroxene with minor biotite. Similar to tjosite but with leucite instead of nepheline.
Unique Identifiers
Mindat ID:
50994
Long-form identifier:
mindat:1:1:50994:1
Similar Names
| Coesite | A valid IMA mineral species | SiO2 |
| Conite (of Macculloch) | A synonym of Quartz | |
| Conite (of Schumacher) | A synonym of Mg-rich Dolomite | CaMg(CO3)2 |
| Cossaite | A valid IMA mineral species | (Mg0.5,◻)Al6(SO4)6(HSO4)F6 · 36H2O |
| Cossaite (of Piolti?) | A variety of Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Covite | A rock subtype | |
| Cösite | A synonym of Oösite | |
| Kozoite | ||
| Kozoite-(La) | A valid IMA mineral species | La(CO3)(OH) |
| Kozoite-(Nd) | A valid IMA mineral species | Nd(CO3)(OH) |
Classification of Cocite
Mineralogy of Cocite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
| Feldspathoid > Leucite | K(AlSi2O6) |
| Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Olivine | M2SiO4 |
| Pyroxene > Clinopyroxene | A petrological term for Clinopyroxene Subgroup. |
Internet Links for Cocite
mindat.org URL:
https://www.mindat.org/min-50994.html
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