Augite

Химия

IMA chemistry:: (Ca,Mg,Fe)2Si2O6
Valence chemistry:: (Ca,Mg,Fe2+)2Si2O6

Классификация

Crystal systems:: monoclinic
Space groups:: C2, c
Structural group:: Pyroxene
IMA status:: Approved

Происхождение

Country:: ?
Published:: 1685
Oldest age Ma:: 4700
Paragenetic modes:: Abiotic, Biotic, Primary, Secondary, Stage 1: Primary nebular phases, PM4 - Primary chondrule phases, Stage 2: Planetesimal differentiation & alteration, PM5 - Primary asteroid phases, Stage 3a: Earth's earliest Hadean crust, PM7 - Ultramafic igneous rocks, PM8 - Mafic igneous rocks, PM9 - Lava/xenolith minerals, Stage 4a: Earth's earliest continental crust, PM19 - Granitic intrusive rocks, PM20 - Acidic volcanic rocks, Stage 4b: Highly evolved igneous rocks, PM34 - Complex granite pegmatites, PM36 - Carbonatites & kimberlites, Stage 5: Initiation of plate tectonics, PM40 - Regional metamorphism, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM51 - Pyrometamorphic minerals

Примечания

Pliny [translated by Hardouin, 1685] (77) Augites. in Caii Plinii secundi Naturalis historiae libri XXXVII interpretatione et notis illustravit Joannes Harduinus in usum Delphini Franciscum Muguet (Paris) 406-406 The name was used to describe several different species until this paper: Werner A G (1792) Geognostische Beobachtungen, auf einer Reife durch einen Theil des böhmischen Mittelgebirges. Bergmannisches Journal 1, 215-266